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| author |   Michał Górny <mgorny@gentoo.org> | 2018-03-10 21:48:02 +0100 |
|---|---|---|
| committer | Michał Górny <mgorny@gentoo.org> | 2018-03-10 21:48:34 +0100 |
| commit | deda94ea9dfc8e43ece0a6bd7190ba67147ec08e (patch) | |
| tree | 90bb61b615596e68f6031300ae29ceaee17b6892 /sys-devel/llvm/llvm-9999.ebuild | |
| parent | sys-devel/gdb: bump the patchset up to 1, bug #650130 (diff) | |
| download | gentoo-deda94ea9dfc8e43ece0a6bd7190ba67147ec08e.tar.gz gentoo-deda94ea9dfc8e43ece0a6bd7190ba67147ec08e.tar.bz2 gentoo-deda94ea9dfc8e43ece0a6bd7190ba67147ec08e.zip | |
sys-devel/llvm: Apply -mno-bmi to work-around gcc-7 bug
Thanks to Alexander Bezrukov for finding the upstream bug and suggesting
a proper workaround.
Closes: https://bugs.gentoo.org/649880
Diffstat (limited to 'sys-devel/llvm/llvm-9999.ebuild')
| -rw-r--r-- | sys-devel/llvm/llvm-9999.ebuild | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys-devel/llvm/llvm-9999.ebuild b/sys-devel/llvm/llvm-9999.ebuild index 603571a0bd65..1c439e6fd6a5 100644 --- a/sys-devel/llvm/llvm-9999.ebuild +++ b/sys-devel/llvm/llvm-9999.ebuild @@ -172,6 +172,13 @@ multilib_src_configure() { ) fi + # workaround BMI bug in gcc-7 (fixed in 7.4) + # https://bugs.gentoo.org/649880 + if tc-is-gcc && [[ $(gcc-major-version) -eq 7 && $(gcc-minor-version) -lt 4 ]]; then + local CFLAGS="${CFLAGS} -mno-bmi" + local CXXFLAGS="${CXXFLAGS} -mno-bmi" + fi + # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844 use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG" cmake-utils_src_configure |