commit: 2004d466896f9b81452c7bdac1ee00866b8f0ff1 Author: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> AuthorDate: Wed Feb 13 21:01:27 2019 +0000 Commit: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> CommitDate: Wed Feb 13 21:03:30 2019 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=2004d466
flag-o-matic.eclass: whitelist -mstackrealign for 'strip-flags' Allow '-mstackrealign' in ebuilds like glibc to force stack realignment. That will allow running ancient (or foreign) binaries that don't maintain 16-byte stack alignment. See bug #677852 for example. Reported-by: Michael Huss Closes: https://bugs.gentoo.org/677852 Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org> eclass/flag-o-matic.eclass | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/eclass/flag-o-matic.eclass b/eclass/flag-o-matic.eclass index 58233909657..933104190ae 100644 --- a/eclass/flag-o-matic.eclass +++ b/eclass/flag-o-matic.eclass @@ -69,6 +69,13 @@ setup-allowed-flags() { # gcc 4.9 -mno-avx512cd -mno-avx512er -mno-avx512f -mno-avx512pf -mno-sha ) + + # Allow some safe individual flags. Should come along with the bug reference. + ALLOWED_FLAGS+=( + # Allow explicit stack realignment to run non-conformant + # binaries: bug #677852 + -mstackrealign + ) } # inverted filters for hardened compiler. This is trying to unpick
