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author | Sergei Trofimovich <slyfox@gentoo.org> | 2020-03-06 18:29:12 +0000 |
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committer | Sergei Trofimovich <slyfox@gentoo.org> | 2020-03-06 18:35:50 +0000 |
commit | a664bdd217c8f4fbb108d6c2585425383b749b3b (patch) | |
tree | 5fa07480673f4e4ca85a06cc6f722e5c0edb86d4 /eclass/toolchain.eclass | |
parent | dev-python/pyformance-0.4-r1: add python3_7 (diff) | |
download | gentoo-a664bdd217c8f4fbb108d6c2585425383b749b3b.tar.gz gentoo-a664bdd217c8f4fbb108d6c2585425383b749b3b.tar.bz2 gentoo-a664bdd217c8f4fbb108d6c2585425383b749b3b.zip |
toolchain.eclass: always use -O2, even when no -O is passed in.
Mike noticed that CFLAGS without any optimization options
still effectively are -O0. Let's follow glibc ebuild here
and always use -O2.
Suggested-by: Mike Gilbert
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Diffstat (limited to 'eclass/toolchain.eclass')
-rw-r--r-- | eclass/toolchain.eclass | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass index d69ce9503eaa..05d13189d3dd 100644 --- a/eclass/toolchain.eclass +++ b/eclass/toolchain.eclass @@ -1494,8 +1494,12 @@ downgrade_arch_flags() { } gcc_do_filter_flags() { - replace-flags -O? -O2 # 701786 (-O3) + # Be conservative here: + # - don't allow -O3 and like to over-optimize libgcc # 701786 + # - don't allow -O0 to generate potentially invalid startup code strip-flags + filter-flags '-O?' + append-flags -O2 # dont want to funk ourselves filter-flags '-mabi*' -m31 -m32 -m64 |