"Unsupported argument with another option" build failure(s) — clang 2.9

PackageVersionSupposed error messageFull log Bug report
anjuta 2:3.0.3.0-3clang: error: unsupported option '--no-warn' n/a
asymptote 2.13-2clang: error: unsupported option '--no-var-tracking' Log
atlas 3.8.4-3clang: error: unsupported argument '--noexecstack' to option '-Wa,' Log
boinc-app-milkyway 0.18d-1clang: error: unsupported option '--export_dynamic' Log
dmtcp 1.2.1-2clang: error: unsupported argument '-adhl=mtcp.lis' to option '-Wa,' Log
icon 9.4.3-3clang: error: unsupported argument '--noexecstack' to option '-Wa,' Log
lcalc 0.0.20080205-1.1clang: error: unsupported argument '-W' to option '-Wa,' Log 748898
openssl 1.0.0e-2clang: error: unsupported argument '--noexecstack' to option '-Wa,' Log
openssl098 0.9.8o-7clang: error: unsupported argument '--noexecstack' to option '-Wa,' Log
syslinux 2:4.04+dfsg-3clang: error: unsupported option '--print-libgcc' n/a

10 errors