"Unknown warning option" build failure(s) — clang 11.0.0

PackageVersionSupposed error messageFull log Bug report
binutils-avr 2.26.20160125+Atmel3.6.2-2error: unknown warning option '-Wno-format-overflow'; did you mean '-Wno-shift-overflow'? [-Werror,-Wunknown-warning-option] Log
bzrtp 1.0.6-3error: unknown warning option '-Wno-cast-function-type'; did you mean '-Wno-bad-function-cast'? [-Werror,-Wunknown-warning-option]error: error: unknown warning option '-Wno-cast-function-type'; did you mean '-Wno-bad-function-cast'? [-Werror,-Wunknown-warning-option] Log
dds 2.9.0-8error: unknown warning option '-Wnoexcept' [-Werror,-Wunknown-warning-option] Log
faketime 0.9.7-3.1error: unknown warning option '-Wno-nonnull-compare' [-Werror,-Wunknown-warning-option] Log
libgphoto2 2.5.26-2error: unknown warning option '-Wno-format-truncation' [-Werror,-Wunknown-warning-option] Log
openjfx 11.0.7+0-5error: unknown warning option '-Werror=cast-function-type'; did you mean '-Werror=bad-function-cast'? [-Werror,-Wunknown-warning-option] Log
snoopy 2.4.8-1error: unknown warning option '-Werror=stringop-truncation'; did you mean '-Werror=string-conversion'? [-Werror,-Wunknown-warning-option] Log
tgl 2.0.1+git20160323.ffb04cac-3error: unknown warning option '-Wno-cast-function-type'; did you mean '-Wno-bad-function-cast'? [-Werror,-Wunknown-warning-option] Log
theseus 3.3.0-8error: unknown warning option '-Wformat-truncation=0' [-Werror,-Wunknown-warning-option] Log
tpm2-tools 4.3.0-1error: unknown warning option '-Wbool-compare' [-Werror,-Wunknown-warning-option] Log
vmatch 2.3.1+dfsg-6error: unknown warning option '-Wno-unused-but-set-variable'; did you mean '-Wno-unused-const-variable'? [-Werror,-Wunknown-warning-option] Log

11 errors