Christian Franke via Cygwin-apps writes:
> _FORTIFY_SOURCE=3 is supported by Cygwin 3.5.0 headers and Cygwin gcc
> 13.2.1 test release.
>
> Silently falls back to level 2 if level 3 is unsupported (older
> headers or gcc) or to level 0 if unsupported at all (C++, clang).
Well, if only that was the case…
--8<---------------cut here---------------start------------->8---
from /usr/include/w32api/windows.h:9,
from
/mnt/share/cygpkgs/libarchive/libarchive.x86_64/src/libarchive-3.7.4/test_utils/test_common.h:88,
from
/mnt/share/cygpkgs/libarchive/libarchive.x86_64/src/libarchive-3.7.4/tar/test/test.h:38,
from
/mnt/share/cygpkgs/libarchive/libarchive.x86_64/src/libarchive-3.7.4/tar/test/test_extract_tar_lrz.c:25:
/usr/include/w32api/_mingw_mac.h:319:8: warning: #warning Using
_FORTIFY_SOURCE=2 (level 3 requires __builtin_dynamic_object_size support)
[-Wcpp]
319 | # warning Using _FORTIFY_SOURCE=2 (level 3 requires
__builtin_dynamic_object_size support)
--8<---------------cut here---------------end--------------->8---
Can't we conditiohnalize this to depend on the actual compiler support?
Regards,
Achim.
--
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