DC-Build-Header: ruby-curses 1.2.4-1 / 2018-05-02 13:29:03 +0000 DC-Task: type:rebuild-binarch-only source:ruby-curses version:1.2.4-1 chroot:unstable esttime:36 logfile:/tmp/ruby-curses_1.2.4-1_unstable_clang60.log modes:clang60:binarch-only DC-Sbuild-call: su user42 -c 'sbuild -n --arch-any --apt-update -d unstable -v --chroot-setup-commands=/tmp/clang60 ruby-curses_1.2.4-1' sbuild (Debian sbuild) 0.73.0 (23 Dec 2016) on ip-172-31-15-25.eu-central-1.compute.internal +==============================================================================+ | ruby-curses 1.2.4-1 (amd64) Wed, 02 May 2018 13:29:04 +0000 | +==============================================================================+ Package: ruby-curses Version: 1.2.4-1 Source Version: 1.2.4-1 Distribution: unstable Machine Architecture: amd64 Host Architecture: amd64 Build Architecture: amd64 Build Type: any I: NOTICE: Log filtering will replace 'var/run/schroot/mount/unstable-amd64-sbuild-dd4b13f0-66e2-438a-b368-0e1156aa71af' with '<>' +------------------------------------------------------------------------------+ | Chroot Setup Commands | +------------------------------------------------------------------------------+ /tmp/clang60 ------------ + echo 'Entering customization script...' Entering customization script... + CLANG_VERSION=6.0 + echo 'Install of clang-6.0' Install of clang-6.0 + apt-get update Get:1 http://127.0.0.1:9999/debian unstable InRelease [242 kB] Get:2 http://127.0.0.1:9999/debian unstable/main Sources.diff/Index [27.9 kB] Get:3 http://127.0.0.1:9999/debian unstable/main amd64 Packages.diff/Index [27.9 kB] Get:4 http://127.0.0.1:9999/debian unstable/main Sources 2018-05-02-0830.09.pdiff [16.2 kB] Get:4 http://127.0.0.1:9999/debian unstable/main Sources 2018-05-02-0830.09.pdiff [16.2 kB] Get:5 http://127.0.0.1:9999/debian unstable/main amd64 Packages 2018-05-02-0830.09.pdiff [1781 B] Get:5 http://127.0.0.1:9999/debian unstable/main amd64 Packages 2018-05-02-0830.09.pdiff [1781 B] Get:6 http://127.0.0.1:9999/debian unstable/main Translation-en [6016 kB] Fetched 6332 kB in 2s (3478 kB/s) Reading package lists... + apt-get install --yes --no-install-recommends --force-yes clang-6.0 Reading package lists... Building dependency tree... Reading state information... The following additional packages will be installed: lib32gcc1 lib32stdc++6 libbsd0 libc6-i386 libclang-common-6.0-dev libclang1-6.0 libedit2 libjsoncpp1 libllvm6.0 libncurses5 libobjc-7-dev libobjc4 Suggested packages: gnustep gnustep-devel clang-6.0-doc Recommended packages: llvm-6.0-dev python libomp-dev libgpm2 The following NEW packages will be installed: clang-6.0 lib32gcc1 lib32stdc++6 libbsd0 libc6-i386 libclang-common-6.0-dev libclang1-6.0 libedit2 libjsoncpp1 libllvm6.0 libncurses5 libobjc-7-dev libobjc4 0 upgraded, 13 newly installed, 0 to remove and 0 not upgraded. Need to get 37.7 MB of archives. After this operation, 187 MB of additional disk space will be used. Get:1 http://127.0.0.1:9999/debian unstable/main amd64 libjsoncpp1 amd64 1.7.4-3 [75.6 kB] Get:2 http://127.0.0.1:9999/debian unstable/main amd64 libbsd0 amd64 0.8.7-1 [92.1 kB] Get:3 http://127.0.0.1:9999/debian unstable/main amd64 libncurses5 amd64 6.1+20180210-2 [95.7 kB] Get:4 http://127.0.0.1:9999/debian unstable/main amd64 libedit2 amd64 3.1-20170329-1 [85.2 kB] Get:5 http://127.0.0.1:9999/debian unstable/main amd64 libllvm6.0 amd64 1:6.0-3 [14.5 MB] Get:6 http://127.0.0.1:9999/debian unstable/main amd64 libobjc4 amd64 8-20180425-1 [52.4 kB] Get:7 http://127.0.0.1:9999/debian unstable/main amd64 libobjc-7-dev amd64 7.3.0-17 [204 kB] Get:8 http://127.0.0.1:9999/debian unstable/main amd64 libc6-i386 amd64 2.27-3 [2855 kB] Get:9 http://127.0.0.1:9999/debian unstable/main amd64 lib32gcc1 amd64 1:8-20180425-1 [47.8 kB] Get:10 http://127.0.0.1:9999/debian unstable/main amd64 lib32stdc++6 amd64 8-20180425-1 [406 kB] Get:11 http://127.0.0.1:9999/debian unstable/main amd64 libclang-common-6.0-dev amd64 1:6.0-3 [3102 kB] Get:12 http://127.0.0.1:9999/debian unstable/main amd64 libclang1-6.0 amd64 1:6.0-3 [6995 kB] Get:13 http://127.0.0.1:9999/debian unstable/main amd64 clang-6.0 amd64 1:6.0-3 [9175 kB] debconf: delaying package configuration, since apt-utils is not installed Fetched 37.7 MB in 0s (98.4 MB/s) Selecting previously unselected package libjsoncpp1:amd64. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 10022 files and directories currently installed.) Preparing to unpack .../00-libjsoncpp1_1.7.4-3_amd64.deb ... Unpacking libjsoncpp1:amd64 (1.7.4-3) ... Selecting previously unselected package libbsd0:amd64. Preparing to unpack .../01-libbsd0_0.8.7-1_amd64.deb ... Unpacking libbsd0:amd64 (0.8.7-1) ... Selecting previously unselected package libncurses5:amd64. Preparing to unpack .../02-libncurses5_6.1+20180210-2_amd64.deb ... Unpacking libncurses5:amd64 (6.1+20180210-2) ... Selecting previously unselected package libedit2:amd64. Preparing to unpack .../03-libedit2_3.1-20170329-1_amd64.deb ... Unpacking libedit2:amd64 (3.1-20170329-1) ... Selecting previously unselected package libllvm6.0:amd64. Preparing to unpack .../04-libllvm6.0_1%3a6.0-3_amd64.deb ... Unpacking libllvm6.0:amd64 (1:6.0-3) ... Selecting previously unselected package libobjc4:amd64. Preparing to unpack .../05-libobjc4_8-20180425-1_amd64.deb ... Unpacking libobjc4:amd64 (8-20180425-1) ... Selecting previously unselected package libobjc-7-dev:amd64. Preparing to unpack .../06-libobjc-7-dev_7.3.0-17_amd64.deb ... Unpacking libobjc-7-dev:amd64 (7.3.0-17) ... Selecting previously unselected package libc6-i386. Preparing to unpack .../07-libc6-i386_2.27-3_amd64.deb ... Unpacking libc6-i386 (2.27-3) ... Selecting previously unselected package lib32gcc1. Preparing to unpack .../08-lib32gcc1_1%3a8-20180425-1_amd64.deb ... Unpacking lib32gcc1 (1:8-20180425-1) ... Selecting previously unselected package lib32stdc++6. Preparing to unpack .../09-lib32stdc++6_8-20180425-1_amd64.deb ... Unpacking lib32stdc++6 (8-20180425-1) ... Selecting previously unselected package libclang-common-6.0-dev. Preparing to unpack .../10-libclang-common-6.0-dev_1%3a6.0-3_amd64.deb ... Unpacking libclang-common-6.0-dev (1:6.0-3) ... Selecting previously unselected package libclang1-6.0:amd64. Preparing to unpack .../11-libclang1-6.0_1%3a6.0-3_amd64.deb ... Unpacking libclang1-6.0:amd64 (1:6.0-3) ... Selecting previously unselected package clang-6.0. Preparing to unpack .../12-clang-6.0_1%3a6.0-3_amd64.deb ... Unpacking clang-6.0 (1:6.0-3) ... Setting up libncurses5:amd64 (6.1+20180210-2) ... Setting up libobjc4:amd64 (8-20180425-1) ... Setting up libc6-i386 (2.27-3) ... Setting up libbsd0:amd64 (0.8.7-1) ... Setting up libobjc-7-dev:amd64 (7.3.0-17) ... Processing triggers for libc-bin (2.27-3) ... Setting up lib32gcc1 (1:8-20180425-1) ... Setting up libjsoncpp1:amd64 (1.7.4-3) ... Setting up libedit2:amd64 (3.1-20170329-1) ... Setting up libllvm6.0:amd64 (1:6.0-3) ... Setting up libclang1-6.0:amd64 (1:6.0-3) ... Setting up lib32stdc++6 (8-20180425-1) ... Setting up libclang-common-6.0-dev (1:6.0-3) ... Setting up clang-6.0 (1:6.0-3) ... Processing triggers for libc-bin (2.27-3) ... W: --force-yes is deprecated, use one of the options starting with --allow instead. + echo 'Replace gcc, g++ & cpp by clang' Replace gcc, g++ & cpp by clang + VERSIONS='4.6 4.7 4.8 4.9 5 6 7 8' + cd /usr/bin + for VERSION in $VERSIONS + rm -f g++-4.6 gcc-4.6 cpp-4.6 gcc + ln -s clang++-6.0 g++-4.6 + ln -s clang-6.0 gcc-4.6 + ln -s clang-6.0 cpp-4.6 + ln -s clang-6.0 gcc + echo 'gcc-4.6 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: gcc-4.6 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + echo 'g++-4.6 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: g++-4.6 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + for VERSION in $VERSIONS + rm -f g++-4.7 gcc-4.7 cpp-4.7 gcc + ln -s clang++-6.0 g++-4.7 + ln -s clang-6.0 gcc-4.7 + ln -s clang-6.0 cpp-4.7 + ln -s clang-6.0 gcc + echo 'gcc-4.7 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: gcc-4.7 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + echo 'g++-4.7 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: g++-4.7 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + for VERSION in $VERSIONS + rm -f g++-4.8 gcc-4.8 cpp-4.8 gcc + ln -s clang++-6.0 g++-4.8 + ln -s clang-6.0 gcc-4.8 + ln -s clang-6.0 cpp-4.8 + ln -s clang-6.0 gcc + echo 'gcc-4.8 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: gcc-4.8 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + echo 'g++-4.8 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: g++-4.8 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + for VERSION in $VERSIONS + rm -f g++-4.9 gcc-4.9 cpp-4.9 gcc + ln -s clang++-6.0 g++-4.9 + ln -s clang-6.0 gcc-4.9 + ln -s clang-6.0 cpp-4.9 + ln -s clang-6.0 gcc + echo 'gcc-4.9 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: gcc-4.9 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + echo 'g++-4.9 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: g++-4.9 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + for VERSION in $VERSIONS + rm -f g++-5 gcc-5 cpp-5 gcc + ln -s clang++-6.0 g++-5 + ln -s clang-6.0 gcc-5 + ln -s clang-6.0 cpp-5 + ln -s clang-6.0 gcc + echo 'gcc-5 hold' + dpkg --set-selections + echo 'g++-5 hold' + dpkg --set-selections + for VERSION in $VERSIONS + rm -f g++-6 gcc-6 cpp-6 gcc + ln -s clang++-6.0 g++-6 + ln -s clang-6.0 gcc-6 + ln -s clang-6.0 cpp-6 + ln -s clang-6.0 gcc + echo 'gcc-6 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: gcc-6 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + echo 'g++-6 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: g++-6 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + for VERSION in $VERSIONS + rm -f g++-7 gcc-7 cpp-7 gcc + ln -s clang++-6.0 g++-7 + ln -s clang-6.0 gcc-7 + ln -s clang-6.0 cpp-7 + ln -s clang-6.0 gcc + echo 'gcc-7 hold' + dpkg --set-selections + echo 'g++-7 hold' + dpkg --set-selections + for VERSION in $VERSIONS + rm -f g++-8 gcc-8 cpp-8 gcc + ln -s clang++-6.0 g++-8 + ln -s clang-6.0 gcc-8 + ln -s clang-6.0 cpp-8 + ln -s clang-6.0 gcc + echo 'gcc-8 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: gcc-8 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + echo 'g++-8 hold' + dpkg --set-selections dpkg: warning: package not in status nor available database at line 1: g++-8 dpkg: warning: found unknown packages; this might mean the available database is outdated, and needs to be updated through a frontend method; please see the FAQ + cd - /build/ruby-curses-CBAZv0 + echo 'Check if gcc, g++ & cpp are actually clang' Check if gcc, g++ & cpp are actually clang + gcc --version + grep clang + cpp --version + grep clang + g++ --version + grep clang I: Finished running '/tmp/clang60'. Finished processing commands. -------------------------------------------------------------------------------- +------------------------------------------------------------------------------+ | Update chroot | +------------------------------------------------------------------------------+ Hit:1 http://127.0.0.1:9999/debian unstable InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... Calculating upgrade... 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. +------------------------------------------------------------------------------+ | Fetch source files | +------------------------------------------------------------------------------+ Check APT --------- Checking available source versions... Download source files with APT ------------------------------ Reading package lists... NOTICE: 'ruby-curses' packaging is maintained in the 'Git' version control system at: https://git.dgit.debian.org/ruby-curses Please use: git clone https://git.dgit.debian.org/ruby-curses to retrieve the latest (possibly unreleased) updates to the package. Need to get 36.1 kB of source archives. Get:1 http://127.0.0.1:9999/debian unstable/main ruby-curses 1.2.4-1 (dsc) [1752 B] Get:2 http://127.0.0.1:9999/debian unstable/main ruby-curses 1.2.4-1 (tar) [31.4 kB] Get:3 http://127.0.0.1:9999/debian unstable/main ruby-curses 1.2.4-1 (diff) [2908 B] Fetched 36.1 kB in 0s (286 kB/s) Download complete and in download only mode I: NOTICE: Log filtering will replace 'build/ruby-curses-CBAZv0/ruby-curses-1.2.4' with '<>' I: NOTICE: Log filtering will replace 'build/ruby-curses-CBAZv0' with '<>' +------------------------------------------------------------------------------+ | Install build-essential | +------------------------------------------------------------------------------+ Setup apt archive ----------------- Merged Build-Depends: build-essential, fakeroot Filtered Build-Depends: build-essential, fakeroot dpkg-deb: building package 'sbuild-build-depends-core-dummy' in '/<>/resolver-jik7JE/apt_archive/sbuild-build-depends-core-dummy.deb'. dpkg-scanpackages: warning: Packages in archive but missing from override file: dpkg-scanpackages: warning: sbuild-build-depends-core-dummy dpkg-scanpackages: info: Wrote 1 entries to output Packages file. Ign:1 copy:/<>/resolver-jik7JE/apt_archive ./ InRelease Get:2 copy:/<>/resolver-jik7JE/apt_archive ./ Release [957 B] Ign:3 copy:/<>/resolver-jik7JE/apt_archive ./ Release.gpg Get:4 copy:/<>/resolver-jik7JE/apt_archive ./ Sources [349 B] Get:5 copy:/<>/resolver-jik7JE/apt_archive ./ Packages [433 B] Fetched 1739 B in 0s (0 B/s) Reading package lists... Reading package lists... Install core build dependencies (apt-based resolver) ---------------------------------------------------- Installing build dependencies Reading package lists... Building dependency tree... Reading state information... The following NEW packages will be installed: sbuild-build-depends-core-dummy 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 856 B of archives. After this operation, 0 B of additional disk space will be used. Get:1 copy:/<>/resolver-jik7JE/apt_archive ./ sbuild-build-depends-core-dummy 0.invalid.0 [856 B] debconf: delaying package configuration, since apt-utils is not installed Fetched 856 B in 0s (0 B/s) Selecting previously unselected package sbuild-build-depends-core-dummy. (Reading database ... 10771 files and directories currently installed.) Preparing to unpack .../sbuild-build-depends-core-dummy_0.invalid.0_amd64.deb ... Unpacking sbuild-build-depends-core-dummy (0.invalid.0) ... Setting up sbuild-build-depends-core-dummy (0.invalid.0) ... +------------------------------------------------------------------------------+ | Check architectures | +------------------------------------------------------------------------------+ Arch check ok (amd64 included in any) +------------------------------------------------------------------------------+ | Install package build dependencies | +------------------------------------------------------------------------------+ Setup apt archive ----------------- Merged Build-Depends: debhelper (>= 9~), gem2deb, libncursesw5-dev Filtered Build-Depends: debhelper (>= 9~), gem2deb, libncursesw5-dev dpkg-deb: building package 'sbuild-build-depends-ruby-curses-dummy' in '/<>/resolver-jik7JE/apt_archive/sbuild-build-depends-ruby-curses-dummy.deb'. dpkg-scanpackages: warning: Packages in archive but missing from override file: dpkg-scanpackages: warning: sbuild-build-depends-core-dummy sbuild-build-depends-ruby-curses-dummy dpkg-scanpackages: info: Wrote 2 entries to output Packages file. Ign:1 copy:/<>/resolver-jik7JE/apt_archive ./ InRelease Get:2 copy:/<>/resolver-jik7JE/apt_archive ./ Release [963 B] Ign:3 copy:/<>/resolver-jik7JE/apt_archive ./ Release.gpg Get:4 copy:/<>/resolver-jik7JE/apt_archive ./ Sources [506 B] Get:5 copy:/<>/resolver-jik7JE/apt_archive ./ Packages [589 B] Fetched 2058 B in 0s (0 B/s) Reading package lists... Reading package lists... Install ruby-curses build dependencies (apt-based resolver) ----------------------------------------------------------- Installing build dependencies Reading package lists... Building dependency tree... Reading state information... The following additional packages will be installed: autoconf automake autopoint autotools-dev bsdmainutils ca-certificates debhelper devscripts dh-autoreconf dh-strip-nondeterminism file gem2deb gem2deb-test-runner gettext gettext-base groff-base intltool-debian libarchive-zip-perl libcroco3 libexpat1 libfile-homedir-perl libfile-stripnondeterminism-perl libfile-which-perl libglib2.0-0 libgmp-dev libgmpxx4ldbl libicu57 libmagic-mgc libmagic1 libmpdec2 libncurses-dev libncurses6 libncursesw5-dev libncursesw6 libpipeline1 libpython3-stdlib libpython3.6-minimal libpython3.6-stdlib libreadline7 libruby2.5 libsigsegv2 libsqlite3-0 libssl1.1 libtimedate-perl libtool libxml2 libyaml-0-2 m4 man-db mime-support openssl po-debconf python3 python3-minimal python3.6 python3.6-minimal rake readline-common ruby ruby-all-dev ruby-did-you-mean ruby-minitest ruby-net-telnet ruby-power-assert ruby-setup ruby-test-unit ruby2.5 ruby2.5-dev rubygems-integration Suggested packages: autoconf-archive gnu-standards autoconf-doc wamerican | wordlist whois vacation dh-make dwz adequate autopkgtest bls-standalone bsd-mailx | mailx check-all-the-things cvs-buildpackage devscripts-el diffoscope disorderfs dose-extra duck faketime gnuplot how-can-i-help libauthen-sasl-perl libfile-desktopentry-perl libnet-smtps-perl libterm-size-perl libyaml-syck-perl mozilla-devscripts mutt piuparts postgresql-client quilt ratt reprotest ssh-client svn-buildpackage w3m gettext-doc libasprintf-dev libgettextpo-dev groff gmp-doc libgmp10-doc libmpfr-dev libtool-doc gfortran | fortran95-compiler gcj-jdk m4-doc apparmor less www-browser libmail-box-perl python3-doc python3-tk python3-venv python3.6-venv python3.6-doc binfmt-support readline-doc ri ruby-dev bundler Recommended packages: at dctrl-tools dput | dupload gnupg | gnupg2 libdistro-info-perl libencode-locale-perl libgit-wrapper-perl liblist-compare-perl libstring-shellquote-perl liburi-perl libwww-perl licensecheck lintian patchutils python3-apt python3-debian python3-magic python3-requests python3-unidiff python3-xdg strace unzip wdiff wget | curl debian-keyring equivs liblwp-protocol-https-perl libsoap-lite-perl apt-file curl | wget | lynx libarchive-cpio-perl libglib2.0-data shared-mime-info xdg-user-dirs libgpm2 libltdl-dev libmail-sendmail-perl zip fonts-lato libjs-jquery ruby2.5-doc The following NEW packages will be installed: autoconf automake autopoint autotools-dev bsdmainutils ca-certificates debhelper devscripts dh-autoreconf dh-strip-nondeterminism file gem2deb gem2deb-test-runner gettext gettext-base groff-base intltool-debian libarchive-zip-perl libcroco3 libexpat1 libfile-homedir-perl libfile-stripnondeterminism-perl libfile-which-perl libglib2.0-0 libgmp-dev libgmpxx4ldbl libicu57 libmagic-mgc libmagic1 libmpdec2 libncurses-dev libncurses6 libncursesw5-dev libncursesw6 libpipeline1 libpython3-stdlib libpython3.6-minimal libpython3.6-stdlib libreadline7 libruby2.5 libsigsegv2 libsqlite3-0 libssl1.1 libtimedate-perl libtool libxml2 libyaml-0-2 m4 man-db mime-support openssl po-debconf python3 python3-minimal python3.6 python3.6-minimal rake readline-common ruby ruby-all-dev ruby-did-you-mean ruby-minitest ruby-net-telnet ruby-power-assert ruby-setup ruby-test-unit ruby2.5 ruby2.5-dev rubygems-integration sbuild-build-depends-ruby-curses-dummy 0 upgraded, 70 newly installed, 0 to remove and 0 not upgraded. Need to get 34.3 MB of archives. After this operation, 121 MB of additional disk space will be used. Get:1 copy:/<>/resolver-jik7JE/apt_archive ./ sbuild-build-depends-ruby-curses-dummy 0.invalid.0 [876 B] Get:2 http://127.0.0.1:9999/debian unstable/main amd64 bsdmainutils amd64 11.1.2 [190 kB] Get:3 http://127.0.0.1:9999/debian unstable/main amd64 groff-base amd64 1.22.3-10 [1176 kB] Get:4 http://127.0.0.1:9999/debian unstable/main amd64 libpipeline1 amd64 1.5.0-1 [29.0 kB] Get:5 http://127.0.0.1:9999/debian unstable/main amd64 man-db amd64 2.8.3-2 [1180 kB] Get:6 http://127.0.0.1:9999/debian unstable/main amd64 libssl1.1 amd64 1.1.0h-2 [1352 kB] Get:7 http://127.0.0.1:9999/debian unstable/main amd64 libpython3.6-minimal amd64 3.6.5-5 [572 kB] Get:8 http://127.0.0.1:9999/debian unstable/main amd64 libexpat1 amd64 2.2.5-3 [96.8 kB] Get:9 http://127.0.0.1:9999/debian unstable/main amd64 python3.6-minimal amd64 3.6.5-5 [1728 kB] Get:10 http://127.0.0.1:9999/debian unstable/main amd64 python3-minimal amd64 3.6.5-3 [36.2 kB] Get:11 http://127.0.0.1:9999/debian unstable/main amd64 mime-support all 3.60 [36.7 kB] Get:12 http://127.0.0.1:9999/debian unstable/main amd64 libmpdec2 amd64 2.4.2-2 [87.2 kB] Get:13 http://127.0.0.1:9999/debian unstable/main amd64 libncursesw6 amd64 6.1+20180210-2 [131 kB] Get:14 http://127.0.0.1:9999/debian unstable/main amd64 readline-common all 7.0-3 [70.4 kB] Get:15 http://127.0.0.1:9999/debian unstable/main amd64 libreadline7 amd64 7.0-3+b1 [151 kB] Get:16 http://127.0.0.1:9999/debian unstable/main amd64 libsqlite3-0 amd64 3.23.1-1 [603 kB] Get:17 http://127.0.0.1:9999/debian unstable/main amd64 libpython3.6-stdlib amd64 3.6.5-5 [1730 kB] Get:18 http://127.0.0.1:9999/debian unstable/main amd64 python3.6 amd64 3.6.5-5 [229 kB] Get:19 http://127.0.0.1:9999/debian unstable/main amd64 libpython3-stdlib amd64 3.6.5-3 [19.7 kB] Get:20 http://127.0.0.1:9999/debian unstable/main amd64 python3 amd64 3.6.5-3 [24.1 kB] Get:21 http://127.0.0.1:9999/debian unstable/main amd64 libmagic-mgc amd64 1:5.33-2 [234 kB] Get:22 http://127.0.0.1:9999/debian unstable/main amd64 libmagic1 amd64 1:5.33-2 [113 kB] Get:23 http://127.0.0.1:9999/debian unstable/main amd64 file amd64 1:5.33-2 [65.6 kB] Get:24 http://127.0.0.1:9999/debian unstable/main amd64 gettext-base amd64 0.19.8.1-6 [122 kB] Get:25 http://127.0.0.1:9999/debian unstable/main amd64 libsigsegv2 amd64 2.12-2 [32.8 kB] Get:26 http://127.0.0.1:9999/debian unstable/main amd64 m4 amd64 1.4.18-1 [202 kB] Get:27 http://127.0.0.1:9999/debian unstable/main amd64 autoconf all 2.69-11 [341 kB] Get:28 http://127.0.0.1:9999/debian unstable/main amd64 autotools-dev all 20180224.1 [77.0 kB] Get:29 http://127.0.0.1:9999/debian unstable/main amd64 automake all 1:1.15.1-3.1 [736 kB] Get:30 http://127.0.0.1:9999/debian unstable/main amd64 autopoint all 0.19.8.1-6 [434 kB] Get:31 http://127.0.0.1:9999/debian unstable/main amd64 openssl amd64 1.1.0h-2 [744 kB] Get:32 http://127.0.0.1:9999/debian unstable/main amd64 ca-certificates all 20180409 [161 kB] Get:33 http://127.0.0.1:9999/debian unstable/main amd64 libtool all 2.4.6-2.1 [547 kB] Get:34 http://127.0.0.1:9999/debian unstable/main amd64 dh-autoreconf all 17 [16.5 kB] Get:35 http://127.0.0.1:9999/debian unstable/main amd64 libarchive-zip-perl all 1.60-1 [95.6 kB] Get:36 http://127.0.0.1:9999/debian unstable/main amd64 libfile-stripnondeterminism-perl all 0.041-1 [19.9 kB] Get:37 http://127.0.0.1:9999/debian unstable/main amd64 libtimedate-perl all 2.3000-2 [42.2 kB] Get:38 http://127.0.0.1:9999/debian unstable/main amd64 dh-strip-nondeterminism all 0.041-1 [12.0 kB] Get:39 http://127.0.0.1:9999/debian unstable/main amd64 libglib2.0-0 amd64 2.56.1-2 [2928 kB] Get:40 http://127.0.0.1:9999/debian unstable/main amd64 libicu57 amd64 57.1-9 [7698 kB] Get:41 http://127.0.0.1:9999/debian unstable/main amd64 libxml2 amd64 2.9.4+dfsg1-6.1 [725 kB] Get:42 http://127.0.0.1:9999/debian unstable/main amd64 libcroco3 amd64 0.6.12-2 [144 kB] Get:43 http://127.0.0.1:9999/debian unstable/main amd64 gettext amd64 0.19.8.1-6 [1302 kB] Get:44 http://127.0.0.1:9999/debian unstable/main amd64 intltool-debian all 0.35.0+20060710.4 [26.3 kB] Get:45 http://127.0.0.1:9999/debian unstable/main amd64 po-debconf all 1.0.20 [247 kB] Get:46 http://127.0.0.1:9999/debian unstable/main amd64 debhelper all 11.2.1 [1013 kB] Get:47 http://127.0.0.1:9999/debian unstable/main amd64 libfile-which-perl all 1.21-1 [14.3 kB] Get:48 http://127.0.0.1:9999/debian unstable/main amd64 libfile-homedir-perl all 1.002-1 [42.3 kB] Get:49 http://127.0.0.1:9999/debian unstable/main amd64 devscripts amd64 2.18.2 [982 kB] Get:50 http://127.0.0.1:9999/debian unstable/main amd64 rake all 12.3.1-2 [66.9 kB] Get:51 http://127.0.0.1:9999/debian unstable/main amd64 rubygems-integration all 1.11 [4994 B] Get:52 http://127.0.0.1:9999/debian unstable/main amd64 ruby-did-you-mean all 1.2.1-1 [14.4 kB] Get:53 http://127.0.0.1:9999/debian unstable/main amd64 ruby-minitest all 5.10.3-1 [53.5 kB] Get:54 http://127.0.0.1:9999/debian unstable/main amd64 ruby-net-telnet all 0.1.1-2 [12.5 kB] Get:55 http://127.0.0.1:9999/debian unstable/main amd64 ruby-power-assert all 0.3.0-1 [7902 B] Get:56 http://127.0.0.1:9999/debian unstable/main amd64 ruby-test-unit all 3.2.7-1 [72.3 kB] Get:57 http://127.0.0.1:9999/debian unstable/main amd64 libyaml-0-2 amd64 0.1.7-2 [47.6 kB] Get:58 http://127.0.0.1:9999/debian unstable/main amd64 libruby2.5 amd64 2.5.1-1 [3408 kB] Get:59 http://127.0.0.1:9999/debian unstable/main amd64 ruby2.5 amd64 2.5.1-1 [384 kB] Get:60 http://127.0.0.1:9999/debian unstable/main amd64 ruby amd64 1:2.5.1 [11.3 kB] Get:61 http://127.0.0.1:9999/debian unstable/main amd64 gem2deb-test-runner amd64 0.39 [21.5 kB] Get:62 http://127.0.0.1:9999/debian unstable/main amd64 libgmpxx4ldbl amd64 2:6.1.2+dfsg-3 [22.7 kB] Get:63 http://127.0.0.1:9999/debian unstable/main amd64 libgmp-dev amd64 2:6.1.2+dfsg-3 [632 kB] Get:64 http://127.0.0.1:9999/debian unstable/main amd64 ruby2.5-dev amd64 2.5.1-1 [399 kB] Get:65 http://127.0.0.1:9999/debian unstable/main amd64 ruby-all-dev amd64 1:2.5.1 [10.9 kB] Get:66 http://127.0.0.1:9999/debian unstable/main amd64 ruby-setup all 3.4.1-9 [34.2 kB] Get:67 http://127.0.0.1:9999/debian unstable/main amd64 gem2deb amd64 0.39 [58.7 kB] Get:68 http://127.0.0.1:9999/debian unstable/main amd64 libncurses6 amd64 6.1+20180210-2 [101 kB] Get:69 http://127.0.0.1:9999/debian unstable/main amd64 libncurses-dev amd64 6.1+20180210-2 [334 kB] Get:70 http://127.0.0.1:9999/debian unstable/main amd64 libncursesw5-dev amd64 6.1+20180210-2 [924 B] debconf: delaying package configuration, since apt-utils is not installed Fetched 34.3 MB in 0s (77.7 MB/s) Selecting previously unselected package bsdmainutils. (Reading database ... 10771 files and directories currently installed.) Preparing to unpack .../00-bsdmainutils_11.1.2_amd64.deb ... Unpacking bsdmainutils (11.1.2) ... Selecting previously unselected package groff-base. Preparing to unpack .../01-groff-base_1.22.3-10_amd64.deb ... Unpacking groff-base (1.22.3-10) ... Selecting previously unselected package libpipeline1:amd64. Preparing to unpack .../02-libpipeline1_1.5.0-1_amd64.deb ... Unpacking libpipeline1:amd64 (1.5.0-1) ... Selecting previously unselected package man-db. Preparing to unpack .../03-man-db_2.8.3-2_amd64.deb ... Unpacking man-db (2.8.3-2) ... Selecting previously unselected package libssl1.1:amd64. Preparing to unpack .../04-libssl1.1_1.1.0h-2_amd64.deb ... Unpacking libssl1.1:amd64 (1.1.0h-2) ... Selecting previously unselected package libpython3.6-minimal:amd64. Preparing to unpack .../05-libpython3.6-minimal_3.6.5-5_amd64.deb ... Unpacking libpython3.6-minimal:amd64 (3.6.5-5) ... Selecting previously unselected package libexpat1:amd64. Preparing to unpack .../06-libexpat1_2.2.5-3_amd64.deb ... Unpacking libexpat1:amd64 (2.2.5-3) ... Selecting previously unselected package python3.6-minimal. Preparing to unpack .../07-python3.6-minimal_3.6.5-5_amd64.deb ... Unpacking python3.6-minimal (3.6.5-5) ... Selecting previously unselected package python3-minimal. Preparing to unpack .../08-python3-minimal_3.6.5-3_amd64.deb ... Unpacking python3-minimal (3.6.5-3) ... Selecting previously unselected package mime-support. Preparing to unpack .../09-mime-support_3.60_all.deb ... Unpacking mime-support (3.60) ... Selecting previously unselected package libmpdec2:amd64. Preparing to unpack .../10-libmpdec2_2.4.2-2_amd64.deb ... Unpacking libmpdec2:amd64 (2.4.2-2) ... Selecting previously unselected package libncursesw6:amd64. Preparing to unpack .../11-libncursesw6_6.1+20180210-2_amd64.deb ... Unpacking libncursesw6:amd64 (6.1+20180210-2) ... Selecting previously unselected package readline-common. Preparing to unpack .../12-readline-common_7.0-3_all.deb ... Unpacking readline-common (7.0-3) ... Selecting previously unselected package libreadline7:amd64. Preparing to unpack .../13-libreadline7_7.0-3+b1_amd64.deb ... Unpacking libreadline7:amd64 (7.0-3+b1) ... Selecting previously unselected package libsqlite3-0:amd64. Preparing to unpack .../14-libsqlite3-0_3.23.1-1_amd64.deb ... Unpacking libsqlite3-0:amd64 (3.23.1-1) ... Selecting previously unselected package libpython3.6-stdlib:amd64. Preparing to unpack .../15-libpython3.6-stdlib_3.6.5-5_amd64.deb ... Unpacking libpython3.6-stdlib:amd64 (3.6.5-5) ... Selecting previously unselected package python3.6. Preparing to unpack .../16-python3.6_3.6.5-5_amd64.deb ... Unpacking python3.6 (3.6.5-5) ... Selecting previously unselected package libpython3-stdlib:amd64. Preparing to unpack .../17-libpython3-stdlib_3.6.5-3_amd64.deb ... Unpacking libpython3-stdlib:amd64 (3.6.5-3) ... Setting up libssl1.1:amd64 (1.1.0h-2) ... Setting up libpython3.6-minimal:amd64 (3.6.5-5) ... Setting up libexpat1:amd64 (2.2.5-3) ... Setting up python3.6-minimal (3.6.5-5) ... Setting up python3-minimal (3.6.5-3) ... Selecting previously unselected package python3. (Reading database ... 12103 files and directories currently installed.) Preparing to unpack .../00-python3_3.6.5-3_amd64.deb ... Unpacking python3 (3.6.5-3) ... Selecting previously unselected package libmagic-mgc. Preparing to unpack .../01-libmagic-mgc_1%3a5.33-2_amd64.deb ... Unpacking libmagic-mgc (1:5.33-2) ... Selecting previously unselected package libmagic1:amd64. Preparing to unpack .../02-libmagic1_1%3a5.33-2_amd64.deb ... Unpacking libmagic1:amd64 (1:5.33-2) ... Selecting previously unselected package file. Preparing to unpack .../03-file_1%3a5.33-2_amd64.deb ... Unpacking file (1:5.33-2) ... Selecting previously unselected package gettext-base. Preparing to unpack .../04-gettext-base_0.19.8.1-6_amd64.deb ... Unpacking gettext-base (0.19.8.1-6) ... Selecting previously unselected package libsigsegv2:amd64. Preparing to unpack .../05-libsigsegv2_2.12-2_amd64.deb ... Unpacking libsigsegv2:amd64 (2.12-2) ... Selecting previously unselected package m4. Preparing to unpack .../06-m4_1.4.18-1_amd64.deb ... Unpacking m4 (1.4.18-1) ... Selecting previously unselected package autoconf. Preparing to unpack .../07-autoconf_2.69-11_all.deb ... Unpacking autoconf (2.69-11) ... Selecting previously unselected package autotools-dev. Preparing to unpack .../08-autotools-dev_20180224.1_all.deb ... Unpacking autotools-dev (20180224.1) ... Selecting previously unselected package automake. Preparing to unpack .../09-automake_1%3a1.15.1-3.1_all.deb ... Unpacking automake (1:1.15.1-3.1) ... Selecting previously unselected package autopoint. Preparing to unpack .../10-autopoint_0.19.8.1-6_all.deb ... Unpacking autopoint (0.19.8.1-6) ... Selecting previously unselected package openssl. Preparing to unpack .../11-openssl_1.1.0h-2_amd64.deb ... Unpacking openssl (1.1.0h-2) ... Selecting previously unselected package ca-certificates. Preparing to unpack .../12-ca-certificates_20180409_all.deb ... Unpacking ca-certificates (20180409) ... Selecting previously unselected package libtool. Preparing to unpack .../13-libtool_2.4.6-2.1_all.deb ... Unpacking libtool (2.4.6-2.1) ... Selecting previously unselected package dh-autoreconf. Preparing to unpack .../14-dh-autoreconf_17_all.deb ... Unpacking dh-autoreconf (17) ... Selecting previously unselected package libarchive-zip-perl. Preparing to unpack .../15-libarchive-zip-perl_1.60-1_all.deb ... Unpacking libarchive-zip-perl (1.60-1) ... Selecting previously unselected package libfile-stripnondeterminism-perl. Preparing to unpack .../16-libfile-stripnondeterminism-perl_0.041-1_all.deb ... Unpacking libfile-stripnondeterminism-perl (0.041-1) ... Selecting previously unselected package libtimedate-perl. Preparing to unpack .../17-libtimedate-perl_2.3000-2_all.deb ... Unpacking libtimedate-perl (2.3000-2) ... Selecting previously unselected package dh-strip-nondeterminism. Preparing to unpack .../18-dh-strip-nondeterminism_0.041-1_all.deb ... Unpacking dh-strip-nondeterminism (0.041-1) ... Selecting previously unselected package libglib2.0-0:amd64. Preparing to unpack .../19-libglib2.0-0_2.56.1-2_amd64.deb ... Unpacking libglib2.0-0:amd64 (2.56.1-2) ... Selecting previously unselected package libicu57:amd64. Preparing to unpack .../20-libicu57_57.1-9_amd64.deb ... Unpacking libicu57:amd64 (57.1-9) ... Selecting previously unselected package libxml2:amd64. Preparing to unpack .../21-libxml2_2.9.4+dfsg1-6.1_amd64.deb ... Unpacking libxml2:amd64 (2.9.4+dfsg1-6.1) ... Selecting previously unselected package libcroco3:amd64. Preparing to unpack .../22-libcroco3_0.6.12-2_amd64.deb ... Unpacking libcroco3:amd64 (0.6.12-2) ... Selecting previously unselected package gettext. Preparing to unpack .../23-gettext_0.19.8.1-6_amd64.deb ... Unpacking gettext (0.19.8.1-6) ... Selecting previously unselected package intltool-debian. Preparing to unpack .../24-intltool-debian_0.35.0+20060710.4_all.deb ... Unpacking intltool-debian (0.35.0+20060710.4) ... Selecting previously unselected package po-debconf. Preparing to unpack .../25-po-debconf_1.0.20_all.deb ... Unpacking po-debconf (1.0.20) ... Selecting previously unselected package debhelper. Preparing to unpack .../26-debhelper_11.2.1_all.deb ... Unpacking debhelper (11.2.1) ... Selecting previously unselected package libfile-which-perl. Preparing to unpack .../27-libfile-which-perl_1.21-1_all.deb ... Unpacking libfile-which-perl (1.21-1) ... Selecting previously unselected package libfile-homedir-perl. Preparing to unpack .../28-libfile-homedir-perl_1.002-1_all.deb ... Unpacking libfile-homedir-perl (1.002-1) ... Selecting previously unselected package devscripts. Preparing to unpack .../29-devscripts_2.18.2_amd64.deb ... Unpacking devscripts (2.18.2) ... Selecting previously unselected package rake. Preparing to unpack .../30-rake_12.3.1-2_all.deb ... Unpacking rake (12.3.1-2) ... Selecting previously unselected package rubygems-integration. Preparing to unpack .../31-rubygems-integration_1.11_all.deb ... Unpacking rubygems-integration (1.11) ... Selecting previously unselected package ruby-did-you-mean. Preparing to unpack .../32-ruby-did-you-mean_1.2.1-1_all.deb ... Unpacking ruby-did-you-mean (1.2.1-1) ... Selecting previously unselected package ruby-minitest. Preparing to unpack .../33-ruby-minitest_5.10.3-1_all.deb ... Unpacking ruby-minitest (5.10.3-1) ... Selecting previously unselected package ruby-net-telnet. Preparing to unpack .../34-ruby-net-telnet_0.1.1-2_all.deb ... Unpacking ruby-net-telnet (0.1.1-2) ... Selecting previously unselected package ruby-power-assert. Preparing to unpack .../35-ruby-power-assert_0.3.0-1_all.deb ... Unpacking ruby-power-assert (0.3.0-1) ... Selecting previously unselected package ruby-test-unit. Preparing to unpack .../36-ruby-test-unit_3.2.7-1_all.deb ... Unpacking ruby-test-unit (3.2.7-1) ... Selecting previously unselected package libyaml-0-2:amd64. Preparing to unpack .../37-libyaml-0-2_0.1.7-2_amd64.deb ... Unpacking libyaml-0-2:amd64 (0.1.7-2) ... Selecting previously unselected package libruby2.5:amd64. Preparing to unpack .../38-libruby2.5_2.5.1-1_amd64.deb ... Unpacking libruby2.5:amd64 (2.5.1-1) ... Selecting previously unselected package ruby2.5. Preparing to unpack .../39-ruby2.5_2.5.1-1_amd64.deb ... Unpacking ruby2.5 (2.5.1-1) ... Selecting previously unselected package ruby. Preparing to unpack .../40-ruby_1%3a2.5.1_amd64.deb ... Unpacking ruby (1:2.5.1) ... Selecting previously unselected package gem2deb-test-runner. Preparing to unpack .../41-gem2deb-test-runner_0.39_amd64.deb ... Unpacking gem2deb-test-runner (0.39) ... Selecting previously unselected package libgmpxx4ldbl:amd64. Preparing to unpack .../42-libgmpxx4ldbl_2%3a6.1.2+dfsg-3_amd64.deb ... Unpacking libgmpxx4ldbl:amd64 (2:6.1.2+dfsg-3) ... Selecting previously unselected package libgmp-dev:amd64. Preparing to unpack .../43-libgmp-dev_2%3a6.1.2+dfsg-3_amd64.deb ... Unpacking libgmp-dev:amd64 (2:6.1.2+dfsg-3) ... Selecting previously unselected package ruby2.5-dev:amd64. Preparing to unpack .../44-ruby2.5-dev_2.5.1-1_amd64.deb ... Unpacking ruby2.5-dev:amd64 (2.5.1-1) ... Selecting previously unselected package ruby-all-dev:amd64. Preparing to unpack .../45-ruby-all-dev_1%3a2.5.1_amd64.deb ... Unpacking ruby-all-dev:amd64 (1:2.5.1) ... Selecting previously unselected package ruby-setup. Preparing to unpack .../46-ruby-setup_3.4.1-9_all.deb ... Unpacking ruby-setup (3.4.1-9) ... Selecting previously unselected package gem2deb. Preparing to unpack .../47-gem2deb_0.39_amd64.deb ... Unpacking gem2deb (0.39) ... Selecting previously unselected package libncurses6:amd64. Preparing to unpack .../48-libncurses6_6.1+20180210-2_amd64.deb ... Unpacking libncurses6:amd64 (6.1+20180210-2) ... Selecting previously unselected package libncurses-dev:amd64. Preparing to unpack .../49-libncurses-dev_6.1+20180210-2_amd64.deb ... Unpacking libncurses-dev:amd64 (6.1+20180210-2) ... Selecting previously unselected package libncursesw5-dev:amd64. Preparing to unpack .../50-libncursesw5-dev_6.1+20180210-2_amd64.deb ... Unpacking libncursesw5-dev:amd64 (6.1+20180210-2) ... Selecting previously unselected package sbuild-build-depends-ruby-curses-dummy. Preparing to unpack .../51-sbuild-build-depends-ruby-curses-dummy_0.invalid.0_amd64.deb ... Unpacking sbuild-build-depends-ruby-curses-dummy (0.invalid.0) ... Setting up readline-common (7.0-3) ... Setting up libarchive-zip-perl (1.60-1) ... Setting up mime-support (3.60) ... Setting up libfile-which-perl (1.21-1) ... Setting up libtimedate-perl (2.3000-2) ... Setting up libsigsegv2:amd64 (2.12-2) ... Setting up libreadline7:amd64 (7.0-3+b1) ... Setting up libfile-homedir-perl (1.002-1) ... Setting up rake (12.3.1-2) ... Setting up groff-base (1.22.3-10) ... Setting up libglib2.0-0:amd64 (2.56.1-2) ... No schema files found: doing nothing. Setting up libncursesw6:amd64 (6.1+20180210-2) ... Setting up gettext-base (0.19.8.1-6) ... Setting up libpipeline1:amd64 (1.5.0-1) ... Setting up m4 (1.4.18-1) ... Setting up libicu57:amd64 (57.1-9) ... Setting up libxml2:amd64 (2.9.4+dfsg1-6.1) ... Setting up libmagic-mgc (1:5.33-2) ... Setting up libmagic1:amd64 (1:5.33-2) ... Setting up libcroco3:amd64 (0.6.12-2) ... Setting up ruby-did-you-mean (1.2.1-1) ... Setting up libyaml-0-2:amd64 (0.1.7-2) ... Processing triggers for libc-bin (2.27-3) ... Setting up autotools-dev (20180224.1) ... Setting up openssl (1.1.0h-2) ... Setting up ruby-net-telnet (0.1.1-2) ... Setting up libsqlite3-0:amd64 (3.23.1-1) ... Setting up bsdmainutils (11.1.2) ... update-alternatives: using /usr/bin/bsd-write to provide /usr/bin/write (write) in auto mode update-alternatives: using /usr/bin/bsd-from to provide /usr/bin/from (from) in auto mode Setting up libgmpxx4ldbl:amd64 (2:6.1.2+dfsg-3) ... Setting up ruby-minitest (5.10.3-1) ... Setting up ca-certificates (20180409) ... Updating certificates in /etc/ssl/certs... 133 added, 0 removed; done. Setting up libncurses6:amd64 (6.1+20180210-2) ... Setting up autopoint (0.19.8.1-6) ... Setting up libmpdec2:amd64 (2.4.2-2) ... Setting up ruby-power-assert (0.3.0-1) ... Setting up libfile-stripnondeterminism-perl (0.041-1) ... Setting up libgmp-dev:amd64 (2:6.1.2+dfsg-3) ... Setting up libpython3.6-stdlib:amd64 (3.6.5-5) ... Setting up python3.6 (3.6.5-5) ... Setting up ruby-test-unit (3.2.7-1) ... Setting up gettext (0.19.8.1-6) ... Setting up autoconf (2.69-11) ... Setting up file (1:5.33-2) ... Setting up intltool-debian (0.35.0+20060710.4) ... Setting up automake (1:1.15.1-3.1) ... update-alternatives: using /usr/bin/automake-1.15 to provide /usr/bin/automake (automake) in auto mode Setting up rubygems-integration (1.11) ... Setting up man-db (2.8.3-2) ... Not building database; man-db/auto-update is not 'true'. Setting up libncurses-dev:amd64 (6.1+20180210-2) ... Setting up libtool (2.4.6-2.1) ... Setting up libpython3-stdlib:amd64 (3.6.5-3) ... Setting up libruby2.5:amd64 (2.5.1-1) ... Setting up po-debconf (1.0.20) ... Setting up python3 (3.6.5-3) ... Setting up devscripts (2.18.2) ... Setting up ruby2.5-dev:amd64 (2.5.1-1) ... Setting up libncursesw5-dev:amd64 (6.1+20180210-2) ... Setting up ruby2.5 (2.5.1-1) ... Setting up ruby-all-dev:amd64 (1:2.5.1) ... Setting up ruby (1:2.5.1) ... Setting up gem2deb-test-runner (0.39) ... Setting up ruby-setup (3.4.1-9) ... Setting up dh-autoreconf (17) ... Setting up dh-strip-nondeterminism (0.041-1) ... Setting up debhelper (11.2.1) ... Setting up gem2deb (0.39) ... Setting up sbuild-build-depends-ruby-curses-dummy (0.invalid.0) ... Processing triggers for libc-bin (2.27-3) ... Processing triggers for ca-certificates (20180409) ... Updating certificates in /etc/ssl/certs... 0 added, 0 removed; done. Running hooks in /etc/ca-certificates/update.d... done. +------------------------------------------------------------------------------+ | Build environment | +------------------------------------------------------------------------------+ Kernel: Linux 4.9.0-5-amd64 amd64 (x86_64) Toolchain package versions: binutils_2.30-16 dpkg-dev_1.19.0.5 g++-7_7.3.0-17 gcc-7_7.3.0-17 libc6-dev_2.27-3 libstdc++-7-dev_7.3.0-17 libstdc++6_8-20180425-1 linux-libc-dev_4.15.17-1 Package versions: adduser_3.117 apt_1.6.1 autoconf_2.69-11 automake_1:1.15.1-3.1 autopoint_0.19.8.1-6 autotools-dev_20180224.1 base-files_10.1 base-passwd_3.5.45 bash_4.4.18-2 binutils_2.30-16 binutils-common_2.30-16 binutils-x86-64-linux-gnu_2.30-16 bsdmainutils_11.1.2 bsdutils_1:2.31.1-0.5 build-essential_12.5 bzip2_1.0.6-8.1 ca-certificates_20180409 clang-6.0_1:6.0-3 coreutils_8.28-1 cpp_4:7.3.0-3 cpp-7_7.3.0-17 dash_0.5.8-2.10 debconf_1.5.66 debfoster_2.7-2.1+b1 debhelper_11.2.1 debian-archive-keyring_2017.7 debianutils_4.8.4 devscripts_2.18.2 dh-autoreconf_17 dh-strip-nondeterminism_0.041-1 diffutils_1:3.6-1 dpkg_1.19.0.5 dpkg-dev_1.19.0.5 e2fslibs_1.44.1-2 e2fsprogs_1.44.1-2 eatmydata_105-6 fakeroot_1.22-2 fdisk_2.31.1-0.5 file_1:5.33-2 findutils_4.6.0+git+20171230-2 g++_4:7.3.0-3 g++-7_7.3.0-17 gcc_4:7.3.0-3 gcc-6-base_6.4.0-17 gcc-7_7.3.0-17 gcc-7-base_7.3.0-17 gcc-8-base_8-20180425-1 gem2deb_0.39 gem2deb-test-runner_0.39 gettext_0.19.8.1-6 gettext-base_0.19.8.1-6 gpgv_2.2.5-1 grep_3.1-2 groff-base_1.22.3-10 gzip_1.6-5+b1 hostname_3.20 init-system-helpers_1.51 intltool-debian_0.35.0+20060710.4 lib32gcc1_1:8-20180425-1 lib32stdc++6_8-20180425-1 libacl1_2.2.52-3+b1 libapt-pkg5.0_1.6.1 libarchive-zip-perl_1.60-1 libasan4_7.3.0-17 libatomic1_8-20180425-1 libattr1_1:2.4.47-2+b2 libaudit-common_1:2.8.3-1 libaudit1_1:2.8.3-1 libbinutils_2.30-16 libblkid1_2.31.1-0.5 libbsd0_0.8.7-1 libbz2-1.0_1.0.6-8.1 libc-bin_2.27-3 libc-dev-bin_2.27-3 libc6_2.27-3 libc6-dev_2.27-3 libc6-i386_2.27-3 libcap-ng0_0.7.9-1 libcc1-0_8-20180425-1 libcilkrts5_7.3.0-17 libclang-common-6.0-dev_1:6.0-3 libclang1-6.0_1:6.0-3 libcom-err2_1.44.1-2 libcomerr2_1.44.1-2 libcroco3_0.6.12-2 libdb5.3_5.3.28-13.1+b1 libdebconfclient0_0.243 libdpkg-perl_1.19.0.5 libeatmydata1_105-6 libedit2_3.1-20170329-1 libexpat1_2.2.5-3 libext2fs2_1.44.1-2 libfakeroot_1.22-2 libfdisk1_2.31.1-0.5 libffi6_3.2.1-8 libfile-homedir-perl_1.002-1 libfile-stripnondeterminism-perl_0.041-1 libfile-which-perl_1.21-1 libgc1c2_1:7.4.2-8.2 libgcc-7-dev_7.3.0-17 libgcc1_1:8-20180425-1 libgcrypt20_1.8.2-2 libgdbm-compat4_1.14.1-6 libgdbm3_1.8.3-14 libgdbm5_1.14.1-6 libglib2.0-0_2.56.1-2 libgmp-dev_2:6.1.2+dfsg-3 libgmp10_2:6.1.2+dfsg-3 libgmpxx4ldbl_2:6.1.2+dfsg-3 libgnutls30_3.5.18-1 libgomp1_8-20180425-1 libgpg-error0_1.29-4 libhogweed4_3.4-1 libicu57_57.1-9 libidn2-0_2.0.4-1.1 libisl15_0.18-4 libisl19_0.19-1 libitm1_8-20180425-1 libjsoncpp1_1.7.4-3 libllvm6.0_1:6.0-3 liblsan0_8-20180425-1 liblz4-1_1.8.1.2-1 liblzma5_5.2.2-1.3 libmagic-mgc_1:5.33-2 libmagic1_1:5.33-2 libmount1_2.31.1-0.5 libmpc3_1.1.0-1 libmpdec2_2.4.2-2 libmpfr4_3.1.6-1 libmpfr6_4.0.1-1 libmpx2_8-20180425-1 libncurses-dev_6.1+20180210-2 libncurses5_6.1+20180210-2 libncurses6_6.1+20180210-2 libncursesw5_6.1+20180210-2 libncursesw5-dev_6.1+20180210-2 libncursesw6_6.1+20180210-2 libnettle6_3.4-1 libobjc-7-dev_7.3.0-17 libobjc4_8-20180425-1 libp11-kit0_0.23.10-2 libpam-modules_1.1.8-3.7 libpam-modules-bin_1.1.8-3.7 libpam-runtime_1.1.8-3.7 libpam0g_1.1.8-3.7 libpcre3_2:8.39-9 libperl5.26_5.26.2-3 libpipeline1_1.5.0-1 libpython3-stdlib_3.6.5-3 libpython3.6-minimal_3.6.5-5 libpython3.6-stdlib_3.6.5-5 libquadmath0_8-20180425-1 libreadline7_7.0-3+b1 libruby2.5_2.5.1-1 libseccomp2_2.3.3-1 libselinux1_2.7-2+b2 libsemanage-common_2.7-2 libsemanage1_2.7-2+b2 libsepol1_2.7-1 libsigsegv2_2.12-2 libsmartcols1_2.31.1-0.5 libsqlite3-0_3.23.1-1 libss2_1.44.1-2 libssl1.1_1.1.0h-2 libstdc++-7-dev_7.3.0-17 libstdc++6_8-20180425-1 libsystemd0_238-4 libtasn1-6_4.13-2 libtimedate-perl_2.3000-2 libtinfo5_6.1+20180210-2 libtinfo6_6.1+20180210-2 libtool_2.4.6-2.1 libtsan0_8-20180425-1 libubsan0_7.3.0-17 libudev1_238-4 libunistring2_0.9.8-1 libustr-1.0-1_1.0.4-6 libuuid1_2.31.1-0.5 libxml2_2.9.4+dfsg1-6.1 libyaml-0-2_0.1.7-2 libzstd1_1.3.4+dfsg-1 linux-libc-dev_4.15.17-1 login_1:4.5-1 m4_1.4.18-1 make_4.2.1-1 man-db_2.8.3-2 mawk_1.3.3-17+b3 mime-support_3.60 mount_2.31.1-0.5 multiarch-support_2.27-3 ncurses-base_6.1+20180210-2 ncurses-bin_6.1+20180210-2 openssl_1.1.0h-2 passwd_1:4.5-1 patch_2.7.6-2 perl_5.26.2-3 perl-base_5.26.2-3 perl-modules-5.26_5.26.2-3 po-debconf_1.0.20 python3_3.6.5-3 python3-minimal_3.6.5-3 python3.6_3.6.5-5 python3.6-minimal_3.6.5-5 rake_12.3.1-2 readline-common_7.0-3 ruby_1:2.5.1 ruby-all-dev_1:2.5.1 ruby-did-you-mean_1.2.1-1 ruby-minitest_5.10.3-1 ruby-net-telnet_0.1.1-2 ruby-power-assert_0.3.0-1 ruby-setup_3.4.1-9 ruby-test-unit_3.2.7-1 ruby2.5_2.5.1-1 ruby2.5-dev_2.5.1-1 rubygems-integration_1.11 sbuild-build-depends-core-dummy_0.invalid.0 sbuild-build-depends-ruby-curses-dummy_0.invalid.0 sed_4.4-2 sensible-utils_0.0.12 sysvinit-utils_2.88dsf-59.10 tar_1.30+dfsg-1 util-linux_2.31.1-0.5 xz-utils_5.2.2-1.3 zlib1g_1:1.2.11.dfsg-1 +------------------------------------------------------------------------------+ | Build | +------------------------------------------------------------------------------+ Unpack source ------------- gpgv: unknown type of key resource 'trustedkeys.kbx' gpgv: keyblock resource '/sbuild-nonexistent/.gnupg/trustedkeys.kbx': General error gpgv: Signature made Tue Apr 24 15:42:16 2018 UTC gpgv: using RSA key 5E408CD91CD839D2 gpgv: Can't check signature: No public key dpkg-source: warning: failed to verify signature on ./ruby-curses_1.2.4-1.dsc dpkg-source: info: extracting ruby-curses in /<> dpkg-source: info: unpacking ruby-curses_1.2.4.orig.tar.gz dpkg-source: info: unpacking ruby-curses_1.2.4-1.debian.tar.xz Check disk space ---------------- Sufficient free space for build User Environment ---------------- APT_CONFIG=/var/lib/sbuild/apt.conf HOME=/sbuild-nonexistent LANG=en_US.UTF-8 LC_ALL=POSIX LOGNAME=user42 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games SCHROOT_ALIAS_NAME=unstable-amd64-sbuild SCHROOT_CHROOT_NAME=unstable-amd64-sbuild SCHROOT_COMMAND=env SCHROOT_GID=1001 SCHROOT_GROUP=user42 SCHROOT_SESSION_ID=unstable-amd64-sbuild-dd4b13f0-66e2-438a-b368-0e1156aa71af SCHROOT_UID=1001 SCHROOT_USER=user42 SHELL=/bin/sh USER=user42 dpkg-buildpackage ----------------- dpkg-buildpackage: info: source package ruby-curses dpkg-buildpackage: info: source version 1.2.4-1 dpkg-buildpackage: info: source distribution unstable dpkg-buildpackage: info: source changed by Andrej Shadura dpkg-source --before-build ruby-curses-1.2.4 dpkg-buildpackage: info: host architecture amd64 fakeroot debian/rules clean dh clean --buildsystem=ruby --with ruby dh_auto_clean -O--buildsystem=ruby dh_ruby --clean dh_ruby --clean Invalid gemspec in [curses.gemspec]: No such file or directory - git dh_clean -O--buildsystem=ruby debian/rules build-arch dh build-arch --buildsystem=ruby --with ruby dh_update_autotools_config -a -O--buildsystem=ruby dh_auto_configure -a -O--buildsystem=ruby dh_ruby --configure dh_auto_build -a -O--buildsystem=ruby dh_ruby --build dh_ruby --build dh_auto_test -a -O--buildsystem=ruby dh_ruby --test fakeroot debian/rules binary-arch dh binary-arch --buildsystem=ruby --with ruby dh_testroot -a -O--buildsystem=ruby dh_prep -a -O--buildsystem=ruby dh_auto_install -a -O--buildsystem=ruby dh_ruby --install /<>/debian/ruby-curses dh_ruby --install Invalid gemspec in [curses.gemspec]: No such file or directory - git ┌──────────────────────────────────────────────────────────────────────────────┐ │ Install files │ └──────────────────────────────────────────────────────────────────────────────┘ install -d /<>/debian/ruby-curses/usr/lib/ruby/vendor_ruby install -D -m644 /<>/lib/curses.rb /<>/debian/ruby-curses/usr/lib/ruby/vendor_ruby/curses.rb ┌──────────────────────────────────────────────────────────────────────────────┐ │ Build native extensions for ruby2.5 │ └──────────────────────────────────────────────────────────────────────────────┘ /usr/bin/ruby2.5 /usr/lib/ruby/vendor_ruby/gem2deb/extension_builder.rb /<> debian/ruby-curses Invalid gemspec in [curses.gemspec]: No such file or directory - git current directory: /<>/ext/curses /usr/bin/ruby2.5 -r ./siteconf20180502-10132-q0vgdm.rb extconf.rb checking for tgetent() in -ltinfo... yes checking for ncursesw/curses.h... yes checking for initscr() in -lncursesw... yes header: ncursesw/curses.h library: ncursesw checking for beep()... yes checking for bkgd()... yes checking for bkgdset()... yes checking for curs_set()... yes checking for deleteln()... yes checking for doupdate()... yes checking for flash()... yes checking for getbkgd()... yes checking for getnstr()... yes checking for init()... no checking for init in ncursesw/curses.h... no checking for isendwin()... yes checking for keyname()... yes checking for keypad()... yes checking for resizeterm()... yes checking for scrl()... yes checking for set()... no checking for set in ncursesw/curses.h... no checking for setscrreg()... yes checking for ungetch()... yes checking for addnwstr()... yes checking for wattroff()... yes checking for wattron()... yes checking for wattrset()... yes checking for wbkgd()... yes checking for wbkgdset()... yes checking for wdeleteln()... yes checking for wgetnstr()... yes checking for wresize()... yes checking for wscrl()... yes checking for wsetscrreg()... yes checking for werase()... yes checking for redrawwin()... yes checking for waddnwstr()... yes checking for touchwin()... yes checking for untouchwin()... yes checking for wtouchln()... yes checking for is_linetouched()... yes checking for is_wintouched()... yes checking for def_prog_mode()... yes checking for reset_prog_mode()... yes checking for timeout()... yes checking for wtimeout()... yes checking for nodelay()... yes checking for init_color()... yes checking for wcolor_set()... yes checking for use_default_colors()... yes checking for assume_default_colors()... yes checking for newpad()... yes checking for unget_wch()... yes checking for get_wch()... yes checking for wget_wch()... yes checking for PDC_get_key_modifiers()... no checking for PDC_get_key_modifiers in ncursesw/curses.h... no checking for convertible type of chtype... failed *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. Provided configuration options: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/usr/bin/$(RUBY_BASE_NAME)2.5 --with-curses-dir --without-curses-dir --with-curses-include --without-curses-include=${curses-dir}/include --with-curses-lib --without-curses-lib=${curses-dir}/lib --with-ncurses-dir --without-ncurses-dir --with-ncurses-include --without-ncurses-include=${ncurses-dir}/include --with-ncurses-lib --without-ncurses-lib=${ncurses-dir}/lib --with-termcap-dir --without-termcap-dir --with-termcap-include --without-termcap-include=${termcap-dir}/include --with-termcap-lib --without-termcap-lib=${termcap-dir}/lib --with-tinfolib --without-tinfolib --with-ncurseswlib --without-ncurseswlib ~~~~~~~~~~~~~~~~~~~~~ ↓ mkmf.log ~~~~~~~~~~~~~~~~~~~~~ have_library: checking for tgetent() in -ltinfo... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int main(int argc, char **argv) 4: { 5: return 0; 6: } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'tgetent' int t(void) { void ((*volatile p)()); p = (void ((*)()))tgetent; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))tgetent; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void tgetent(); 14: int t(void) { tgetent(); return 0; } /* end */ -------------------- have_header: checking for ncursesw/curses.h... -------------------- yes "gcc -E -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -o conftest.i" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_library: checking for initscr() in -lncursesw... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: printf("%p", &t); 11: } 12: 13: return 0; 14: } 15: int t(void) { void ((*volatile p)()); p = (void ((*)()))initscr; return !p; } /* end */ -------------------- have_func: checking for beep()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'beep' int t(void) { void ((*volatile p)()); p = (void ((*)()))beep; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))beep; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void beep(); 14: int t(void) { beep(); return 0; } /* end */ -------------------- have_func: checking for bkgd()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'bkgd' int t(void) { void ((*volatile p)()); p = (void ((*)()))bkgd; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))bkgd; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void bkgd(); 14: int t(void) { bkgd(); return 0; } /* end */ -------------------- have_func: checking for bkgdset()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'bkgdset' int t(void) { void ((*volatile p)()); p = (void ((*)()))bkgdset; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))bkgdset; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void bkgdset(); 14: int t(void) { bkgdset(); return 0; } /* end */ -------------------- have_func: checking for curs_set()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'curs_set' int t(void) { void ((*volatile p)()); p = (void ((*)()))curs_set; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))curs_set; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void curs_set(); 14: int t(void) { curs_set(); return 0; } /* end */ -------------------- have_func: checking for deleteln()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'deleteln' int t(void) { void ((*volatile p)()); p = (void ((*)()))deleteln; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))deleteln; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void deleteln(); 14: int t(void) { deleteln(); return 0; } /* end */ -------------------- have_func: checking for doupdate()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'doupdate' int t(void) { void ((*volatile p)()); p = (void ((*)()))doupdate; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))doupdate; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void doupdate(); 14: int t(void) { doupdate(); return 0; } /* end */ -------------------- have_func: checking for flash()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'flash' int t(void) { void ((*volatile p)()); p = (void ((*)()))flash; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))flash; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void flash(); 14: int t(void) { flash(); return 0; } /* end */ -------------------- have_func: checking for getbkgd()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'getbkgd' int t(void) { void ((*volatile p)()); p = (void ((*)()))getbkgd; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))getbkgd; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void getbkgd(); 14: int t(void) { getbkgd(); return 0; } /* end */ -------------------- have_func: checking for getnstr()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'getnstr' int t(void) { void ((*volatile p)()); p = (void ((*)()))getnstr; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))getnstr; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void getnstr(); 14: int t(void) { getnstr(); return 0; } /* end */ -------------------- have_func: checking for init()... -------------------- no "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'init'; did you mean 'int'? int t(void) { void ((*volatile p)()); p = (void ((*)()))init; return !p; } ^~~~ int conftest.c:13:57: error: expected expression 19 warnings and 2 errors generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))init; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. /tmp/conftest-b0aeb5.o: In function `t': /<>/ext/curses/conftest.c:14: undefined reference to `init' clang: error: linker command failed with exit code 1 (use -v to see invocation) checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void init(); 14: int t(void) { init(); return 0; } /* end */ -------------------- have_macro: checking for init in ncursesw/curses.h... -------------------- no "gcc -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -c conftest.c" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:6:3: error: # error ^ conftest.c:7:1: error: expected identifier or '(' |:/ === init undefined === /:| ^ 19 warnings and 2 errors generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: /*top*/ 5: #ifndef init 6: # error 7: |:/ === init undefined === /:| 8: #endif /* end */ -------------------- have_func: checking for isendwin()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'isendwin' int t(void) { void ((*volatile p)()); p = (void ((*)()))isendwin; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))isendwin; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void isendwin(); 14: int t(void) { isendwin(); return 0; } /* end */ -------------------- have_func: checking for keyname()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'keyname' int t(void) { void ((*volatile p)()); p = (void ((*)()))keyname; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))keyname; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void keyname(); 14: int t(void) { keyname(); return 0; } /* end */ -------------------- have_func: checking for keypad()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'keypad' int t(void) { void ((*volatile p)()); p = (void ((*)()))keypad; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))keypad; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void keypad(); 14: int t(void) { keypad(); return 0; } /* end */ -------------------- have_func: checking for resizeterm()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'resizeterm' int t(void) { void ((*volatile p)()); p = (void ((*)()))resizeterm; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))resizeterm; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void resizeterm(); 14: int t(void) { resizeterm(); return 0; } /* end */ -------------------- have_func: checking for scrl()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'scrl' int t(void) { void ((*volatile p)()); p = (void ((*)()))scrl; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))scrl; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void scrl(); 14: int t(void) { scrl(); return 0; } /* end */ -------------------- have_func: checking for set()... -------------------- no "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'set' int t(void) { void ((*volatile p)()); p = (void ((*)()))set; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))set; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. /tmp/conftest-ebb9cf.o: In function `t': /<>/ext/curses/conftest.c:14: undefined reference to `set' clang: error: linker command failed with exit code 1 (use -v to see invocation) checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void set(); 14: int t(void) { set(); return 0; } /* end */ -------------------- have_macro: checking for set in ncursesw/curses.h... -------------------- no "gcc -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -c conftest.c" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:6:3: error: # error ^ conftest.c:7:1: error: expected identifier or '(' |:/ === set undefined === /:| ^ 19 warnings and 2 errors generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: /*top*/ 5: #ifndef set 6: # error 7: |:/ === set undefined === /:| 8: #endif /* end */ -------------------- have_func: checking for setscrreg()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'setscrreg' int t(void) { void ((*volatile p)()); p = (void ((*)()))setscrreg; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))setscrreg; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void setscrreg(); 14: int t(void) { setscrreg(); return 0; } /* end */ -------------------- have_func: checking for ungetch()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'ungetch' int t(void) { void ((*volatile p)()); p = (void ((*)()))ungetch; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))ungetch; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void ungetch(); 14: int t(void) { ungetch(); return 0; } /* end */ -------------------- have_func: checking for addnwstr()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'addnwstr' int t(void) { void ((*volatile p)()); p = (void ((*)()))addnwstr; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))addnwstr; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void addnwstr(); 14: int t(void) { addnwstr(); return 0; } /* end */ -------------------- have_func: checking for wattroff()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wattroff' int t(void) { void ((*volatile p)()); p = (void ((*)()))wattroff; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wattroff; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wattroff(); 14: int t(void) { wattroff(); return 0; } /* end */ -------------------- have_func: checking for wattron()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wattron' int t(void) { void ((*volatile p)()); p = (void ((*)()))wattron; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wattron; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wattron(); 14: int t(void) { wattron(); return 0; } /* end */ -------------------- have_func: checking for wattrset()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wattrset' int t(void) { void ((*volatile p)()); p = (void ((*)()))wattrset; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wattrset; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wattrset(); 14: int t(void) { wattrset(); return 0; } /* end */ -------------------- have_func: checking for wbkgd()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wbkgd' int t(void) { void ((*volatile p)()); p = (void ((*)()))wbkgd; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wbkgd; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wbkgd(); 14: int t(void) { wbkgd(); return 0; } /* end */ -------------------- have_func: checking for wbkgdset()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wbkgdset' int t(void) { void ((*volatile p)()); p = (void ((*)()))wbkgdset; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wbkgdset; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wbkgdset(); 14: int t(void) { wbkgdset(); return 0; } /* end */ -------------------- have_func: checking for wdeleteln()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wdeleteln' int t(void) { void ((*volatile p)()); p = (void ((*)()))wdeleteln; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wdeleteln; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wdeleteln(); 14: int t(void) { wdeleteln(); return 0; } /* end */ -------------------- have_func: checking for wgetnstr()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wgetnstr' int t(void) { void ((*volatile p)()); p = (void ((*)()))wgetnstr; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wgetnstr; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wgetnstr(); 14: int t(void) { wgetnstr(); return 0; } /* end */ -------------------- have_func: checking for wresize()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wresize' int t(void) { void ((*volatile p)()); p = (void ((*)()))wresize; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wresize; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wresize(); 14: int t(void) { wresize(); return 0; } /* end */ -------------------- have_func: checking for wscrl()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wscrl' int t(void) { void ((*volatile p)()); p = (void ((*)()))wscrl; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wscrl; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wscrl(); 14: int t(void) { wscrl(); return 0; } /* end */ -------------------- have_func: checking for wsetscrreg()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wsetscrreg' int t(void) { void ((*volatile p)()); p = (void ((*)()))wsetscrreg; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wsetscrreg; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wsetscrreg(); 14: int t(void) { wsetscrreg(); return 0; } /* end */ -------------------- have_func: checking for werase()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'werase' int t(void) { void ((*volatile p)()); p = (void ((*)()))werase; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))werase; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void werase(); 14: int t(void) { werase(); return 0; } /* end */ -------------------- have_func: checking for redrawwin()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'redrawwin' int t(void) { void ((*volatile p)()); p = (void ((*)()))redrawwin; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))redrawwin; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void redrawwin(); 14: int t(void) { redrawwin(); return 0; } /* end */ -------------------- have_func: checking for waddnwstr()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'waddnwstr' int t(void) { void ((*volatile p)()); p = (void ((*)()))waddnwstr; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))waddnwstr; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void waddnwstr(); 14: int t(void) { waddnwstr(); return 0; } /* end */ -------------------- have_func: checking for touchwin()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'touchwin' int t(void) { void ((*volatile p)()); p = (void ((*)()))touchwin; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))touchwin; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void touchwin(); 14: int t(void) { touchwin(); return 0; } /* end */ -------------------- have_func: checking for untouchwin()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'untouchwin' int t(void) { void ((*volatile p)()); p = (void ((*)()))untouchwin; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))untouchwin; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void untouchwin(); 14: int t(void) { untouchwin(); return 0; } /* end */ -------------------- have_func: checking for wtouchln()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wtouchln' int t(void) { void ((*volatile p)()); p = (void ((*)()))wtouchln; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wtouchln; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wtouchln(); 14: int t(void) { wtouchln(); return 0; } /* end */ -------------------- have_func: checking for is_linetouched()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'is_linetouched' int t(void) { void ((*volatile p)()); p = (void ((*)()))is_linetouched; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))is_linetouched; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void is_linetouched(); 14: int t(void) { is_linetouched(); return 0; } /* end */ -------------------- have_func: checking for is_wintouched()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'is_wintouched' int t(void) { void ((*volatile p)()); p = (void ((*)()))is_wintouched; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))is_wintouched; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void is_wintouched(); 14: int t(void) { is_wintouched(); return 0; } /* end */ -------------------- have_func: checking for def_prog_mode()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'def_prog_mode' int t(void) { void ((*volatile p)()); p = (void ((*)()))def_prog_mode; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))def_prog_mode; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void def_prog_mode(); 14: int t(void) { def_prog_mode(); return 0; } /* end */ -------------------- have_func: checking for reset_prog_mode()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'reset_prog_mode' int t(void) { void ((*volatile p)()); p = (void ((*)()))reset_prog_mode; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))reset_prog_mode; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void reset_prog_mode(); 14: int t(void) { reset_prog_mode(); return 0; } /* end */ -------------------- have_func: checking for timeout()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'timeout' int t(void) { void ((*volatile p)()); p = (void ((*)()))timeout; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))timeout; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void timeout(); 14: int t(void) { timeout(); return 0; } /* end */ -------------------- have_func: checking for wtimeout()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wtimeout' int t(void) { void ((*volatile p)()); p = (void ((*)()))wtimeout; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wtimeout; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wtimeout(); 14: int t(void) { wtimeout(); return 0; } /* end */ -------------------- have_func: checking for nodelay()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'nodelay' int t(void) { void ((*volatile p)()); p = (void ((*)()))nodelay; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))nodelay; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void nodelay(); 14: int t(void) { nodelay(); return 0; } /* end */ -------------------- have_func: checking for init_color()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'init_color' int t(void) { void ((*volatile p)()); p = (void ((*)()))init_color; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))init_color; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void init_color(); 14: int t(void) { init_color(); return 0; } /* end */ -------------------- have_func: checking for wcolor_set()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wcolor_set' int t(void) { void ((*volatile p)()); p = (void ((*)()))wcolor_set; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wcolor_set; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wcolor_set(); 14: int t(void) { wcolor_set(); return 0; } /* end */ -------------------- have_func: checking for use_default_colors()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'use_default_colors' int t(void) { void ((*volatile p)()); p = (void ((*)()))use_default_colors; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))use_default_colors; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void use_default_colors(); 14: int t(void) { use_default_colors(); return 0; } /* end */ -------------------- have_func: checking for assume_default_colors()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'assume_default_colors' int t(void) { void ((*volatile p)()); p = (void ((*)()))assume_default_colors; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))assume_default_colors; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void assume_default_colors(); 14: int t(void) { assume_default_colors(); return 0; } /* end */ -------------------- have_func: checking for newpad()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'newpad' int t(void) { void ((*volatile p)()); p = (void ((*)()))newpad; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))newpad; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void newpad(); 14: int t(void) { newpad(); return 0; } /* end */ -------------------- have_func: checking for unget_wch()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'unget_wch' int t(void) { void ((*volatile p)()); p = (void ((*)()))unget_wch; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))unget_wch; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void unget_wch(); 14: int t(void) { unget_wch(); return 0; } /* end */ -------------------- have_func: checking for get_wch()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'get_wch' int t(void) { void ((*volatile p)()); p = (void ((*)()))get_wch; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))get_wch; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void get_wch(); 14: int t(void) { get_wch(); return 0; } /* end */ -------------------- have_func: checking for wget_wch()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'wget_wch' int t(void) { void ((*volatile p)()); p = (void ((*)()))wget_wch; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))wget_wch; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void wget_wch(); 14: int t(void) { wget_wch(); return 0; } /* end */ -------------------- have_func: checking for PDC_get_key_modifiers()... -------------------- no "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:13:57: error: use of undeclared identifier 'PDC_get_key_modifiers' int t(void) { void ((*volatile p)()); p = (void ((*)()))PDC_get_key_modifiers; return !p; } ^ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))PDC_get_key_modifiers; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lncursesw -ltinfo -lruby-2.5 -lncursesw -ltinfo -lpthread -lgmp -ldl -lcrypt -lm -lc" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. /tmp/conftest-edcacf.o: In function `t': /<>/ext/curses/conftest.c:14: undefined reference to `PDC_get_key_modifiers' clang: error: linker command failed with exit code 1 (use -v to see invocation) checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void PDC_get_key_modifiers(); 14: int t(void) { PDC_get_key_modifiers(); return 0; } /* end */ -------------------- have_macro: checking for PDC_get_key_modifiers in ncursesw/curses.h... -------------------- no "gcc -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -c conftest.c" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:6:3: error: # error ^ conftest.c:7:1: error: expected identifier or '(' |:/ === PDC_get_key_modifiers undefined === /:| ^ 19 warnings and 2 errors generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: /*top*/ 5: #ifndef PDC_get_key_modifiers 6: # error 7: |:/ === PDC_get_key_modifiers undefined === /:| 8: #endif /* end */ -------------------- convertible_int: checking for convertible type of chtype... -------------------- failed "gcc -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -c conftest.c" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ conftest.c:8:20: error: 'conftest_const' declared as an array with a negative size int conftest_const[((rbcv_typedef_)-1 < 0) ? 1 : -1]; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 19 warnings and 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #undef MOUSE_MOVED 4: #include 5: typedef chtype rbcv_typedef_; 6: 7: /*top*/ 8: int conftest_const[((rbcv_typedef_)-1 < 0) ? 1 : -1]; /* end */ "gcc -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -c conftest.c" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: warning: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: warning: unknown attribute '__error__' ignored [-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 warnings generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #undef MOUSE_MOVED 4: #include 5: typedef chtype rbcv_typedef_; 6: 7: /*top*/ 8: int conftest_const[((rbcv_typedef_)-1 > 0) ? 1 : -1]; /* end */ "gcc -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Werror -c conftest.c" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: error: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Werror,-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ 19 errors generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #undef MOUSE_MOVED 4: 5: #include 6: 7: typedef chtype rbcv_typedef_; 8: 9: extern rbcv_typedef_ foo(); 10: extern unsigned int foo(); /* end */ "gcc -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Werror -c conftest.c" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: error: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Werror,-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #undef MOUSE_MOVED 4: 5: #include 6: 7: typedef chtype rbcv_typedef_; 8: 9: extern rbcv_typedef_ foo(); 10: extern unsigned short foo(); /* end */ "gcc -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Werror -c conftest.c" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: error: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Werror,-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #undef MOUSE_MOVED 4: 5: #include 6: 7: typedef chtype rbcv_typedef_; 8: 9: extern rbcv_typedef_ foo(); 10: extern unsigned long foo(); /* end */ "gcc -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/ruby2.5-2HhZKW/ruby2.5-2.5.1=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Werror -c conftest.c" In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:1771:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC((" argument length doesn't match"), int rb_varargs_bad_length(int,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2187:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC(("bad scan arg format"), int rb_scan_args_bad_format(const char*)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: /usr/include/ruby-2.5.0/ruby/ruby.h:2188:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] ERRORFUNC(("variable argument length doesn't match"), int rb_scan_args_length_mismatch(const char*,int)); ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:6:1: error: attribute '__deprecated__' is ignored, place it after "struct" to apply attribute to type declaration [-Werror,-Wignored-attributes] DEPRECATED_TYPE(("RClass is internal use only"), ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:132:49: note: expanded from macro 'DEPRECATED_TYPE' #define DEPRECATED_TYPE(mesg,x) __attribute__ ((__deprecated__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:16:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_real); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:17:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_complex_set_imag); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:20:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_disable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:21:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_enable_super); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:24:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_iter_lev); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:25:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_hash_ifnone); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:28:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associate); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:29:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_str_associated); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:35:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_clear_cache); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:36:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_FEATURE(2.2, rb_frame_pop); ^ /usr/include/ruby-2.5.0/ruby/backward.h:13:14: note: expanded from macro 'DECLARE_DEPRECATED_FEATURE' NORETURN(ERRORFUNC(("deprecated since "#ver), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:42:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:43:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_with_enc); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:44:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_compile_error_append); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:47:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_struct_ptr); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ In file included from conftest.c:1: In file included from /usr/include/ruby-2.5.0/ruby.h:33: In file included from /usr/include/ruby-2.5.0/ruby/ruby.h:2550: /usr/include/ruby-2.5.0/ruby/backward.h:50:1: error: unknown attribute '__error__' ignored [-Werror,-Wunknown-attributes] DECLARE_DEPRECATED_INTERNAL_FEATURE(rb_generic_ivar_table); ^ /usr/include/ruby-2.5.0/ruby/backward.h:39:14: note: expanded from macro 'DECLARE_DEPRECATED_INTERNAL_FEATURE' NORETURN(ERRORFUNC(("deprecated internal function"), DEPRECATED(void func(void)))) ^ /usr/include/x86_64-linux-gnu/ruby-2.5.0/ruby/config.h:137:43: note: expanded from macro 'ERRORFUNC' #define ERRORFUNC(mesg,x) __attribute__ ((__error__ mesg)) x ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #undef MOUSE_MOVED 4: 5: #include 6: 7: typedef chtype rbcv_typedef_; 8: 9: extern rbcv_typedef_ foo(); 10: extern unsigned long long foo(); /* end */ -------------------- /usr/lib/ruby/2.5.0/rubygems/ext/builder.rb:92:in `run': extconf failed, exit code 1 (Gem::InstallError) from /usr/lib/ruby/2.5.0/rubygems/ext/ext_conf_builder.rb:46:in `block in build' from /usr/lib/ruby/2.5.0/tempfile.rb:295:in `open' from /usr/lib/ruby/2.5.0/rubygems/ext/ext_conf_builder.rb:30:in `build' from /usr/lib/ruby/vendor_ruby/gem2deb/extension_builder.rb:76:in `block in build_and_install' from /usr/lib/ruby/vendor_ruby/gem2deb/extension_builder.rb:70:in `chdir' from /usr/lib/ruby/vendor_ruby/gem2deb/extension_builder.rb:70:in `build_and_install' from /usr/lib/ruby/vendor_ruby/gem2deb/extension_builder.rb:108:in `block in build_all_extensions' from /usr/lib/ruby/vendor_ruby/gem2deb/extension_builder.rb:105:in `each' from /usr/lib/ruby/vendor_ruby/gem2deb/extension_builder.rb:105:in `build_all_extensions' from /usr/lib/ruby/vendor_ruby/gem2deb/extension_builder.rb:121:in `
' ~~~~~~~~~~~~~~~~~~~~~ ↑ mkmf.log ~~~~~~~~~~~~~~~~~~~~~ /usr/lib/ruby/vendor_ruby/gem2deb.rb:56:in `run': /usr/bin/ruby2.5 /usr/lib/ruby/vendor_ruby/gem2deb/extension_builder.rb /<> debian/ruby-curses (Gem2Deb::CommandFailed) from /usr/lib/ruby/vendor_ruby/gem2deb.rb:67:in `run_ruby' from /usr/lib/ruby/vendor_ruby/gem2deb/installer.rb:37:in `block in install_files_and_build_extensions' from /usr/lib/ruby/vendor_ruby/gem2deb/installer.rb:34:in `each' from /usr/lib/ruby/vendor_ruby/gem2deb/installer.rb:34:in `install_files_and_build_extensions' from /usr/lib/ruby/vendor_ruby/gem2deb/dh_ruby.rb:84:in `block in install' from /usr/lib/ruby/vendor_ruby/gem2deb/dh_ruby.rb:82:in `each' from /usr/lib/ruby/vendor_ruby/gem2deb/dh_ruby.rb:82:in `install' from /usr/bin/dh_ruby:94:in `
' dh_auto_install: dh_ruby --install /<>/debian/ruby-curses returned exit code 1 make: *** [debian/rules:6: binary-arch] Error 1 dpkg-buildpackage: error: fakeroot debian/rules binary-arch subprocess returned exit status 2 -------------------------------------------------------------------------------- Build finished at 2018-05-02T13:29:44Z Finished -------- +------------------------------------------------------------------------------+ | Cleanup | +------------------------------------------------------------------------------+ Purging /<> Not cleaning session: cloned chroot in use E: Build failure (dpkg-buildpackage died) +------------------------------------------------------------------------------+ | Summary | +------------------------------------------------------------------------------+ Build Architecture: amd64 Build Type: any Build-Space: 1912 Build-Time: 16 Distribution: unstable Fail-Stage: build Host Architecture: amd64 Install-Time: 11 Job: ruby-curses_1.2.4-1 Machine Architecture: amd64 Package: ruby-curses Package-Time: 40 Source-Version: 1.2.4-1 Space: 1912 Status: attempted Version: 1.2.4-1 -------------------------------------------------------------------------------- Finished at 2018-05-02T13:29:44Z Build needed 00:00:40, 1912k disk space E: Build failure (dpkg-buildpackage died) DC-Status: Failed 41.116170319s