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| author |   Sergei Trofimovich <slyfox@gentoo.org> | 2019-02-15 07:49:26 +0000 |
|---|---|---|
| committer | Sergei Trofimovich <slyfox@gentoo.org> | 2019-02-15 07:53:19 +0000 |
| commit | f437c7c0233294f197514f3b6ab8a4a24736719b (patch) | |
| tree | 209d85af6736c05030807acb0f0a29bdb9e1d14e /eclass/toolchain.eclass | |
| parent | media-libs/giflib: fix double prefix (diff) | |
| download | gentoo-f437c7c0233294f197514f3b6ab8a4a24736719b.tar.gz gentoo-f437c7c0233294f197514f3b6ab8a4a24736719b.tar.bz2 gentoo-f437c7c0233294f197514f3b6ab8a4a24736719b.zip | |
toolchain.eclass: never pass --enable-libvtv to ./configure
gcc treats --enable-libvtv as an override on top of
autodetection. It it never what we want. Happens to break
at least powerpc64 cross-compilers:
https://bugs.gentoo.org/661252
Reported-by: Ilia Mirkin
Closes: https://bugs.gentoo.org/661252
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Diffstat (limited to 'eclass/toolchain.eclass')
| -rw-r--r-- | eclass/toolchain.eclass | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass index 56921228daa9..daa62e3a67c0 100644 --- a/eclass/toolchain.eclass +++ b/eclass/toolchain.eclass @@ -1278,7 +1278,8 @@ toolchain_src_configure() { if in_iuse vtv ; then confgcc+=( $(use_enable vtv vtable-verify) - $(use_enable vtv libvtv) + # See Note [implicitly enabled flags] + $(usex vtv '' --disable-libvtv) ) fi @@ -2514,7 +2515,9 @@ toolchain_death_notice() { # # GCC does not follow this pattern and instead overrides autodetection # of the feature and enables it unconditionally. -# See https://gcc.gnu.org/PR85663 +# See bugs: +# https://gcc.gnu.org/PR85663 (libsanitizer on mips) +# https://bugs.gentoo.org/661252 (libvtv on powerpc64) # # Thus safer way to enable/disable the feature is to rely on implicit # enabled-by-default state: |