commit: 876602ee223c6c4225371b428a346f0b2d7f2020 Author: Jason A. Donenfeld <zx2c4 <AT> gentoo <DOT> org> AuthorDate: Tue Nov 16 23:30:13 2021 +0000 Commit: Jason A. Donenfeld <zx2c4 <AT> gentoo <DOT> org> CommitDate: Tue Nov 16 23:33:44 2021 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=876602ee
sys-libs/glibc: add -mno-avx512f to -m32 build for gcc 11 bug No need to revbump as this only affects folks who cannot currently compile. Closes: https://bugs.gentoo.org/823780 Package-Manager: Portage-3.0.28, Repoman-3.0.3 Signed-off-by: Jason A. Donenfeld <zx2c4 <AT> gentoo.org> sys-libs/glibc/glibc-2.34-r2.ebuild | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sys-libs/glibc/glibc-2.34-r2.ebuild b/sys-libs/glibc/glibc-2.34-r2.ebuild index 4510d31aeb66..00c85cf62a55 100644 --- a/sys-libs/glibc/glibc-2.34-r2.ebuild +++ b/sys-libs/glibc/glibc-2.34-r2.ebuild @@ -326,6 +326,14 @@ setup_target_flags() { export CFLAGS_x86="${CFLAGS_x86} -march=${t}" einfo "Auto adding -march=${t} to CFLAGS_x86 #185404 (ABI=${ABI})" fi + + # Workaround for https://bugs.gentoo.org/823780. This really should + # be removed when the upstream bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103275 + # is fixed in our tree, either via 11.3 or an 11.2p2 patch set. + if [[ ${ABI} == x86 ]] && tc-is-gcc && (($(gcc-major-version) == 11)) && (($(gcc-minor-version) < 3)); then + export CFLAGS_x86="${CFLAGS_x86} -mno-avx512f" + einfo "Auto adding -mno-avx512f to CFLAGS_x86 #823780 (ABI=${ABI})" + fi ;; mips) # The mips abi cannot support the GNU style hashes. #233233
