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-rw-r--r--sys-devel/llvm/llvm-9999.ebuild7
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