diff options
Diffstat (limited to 'sys-devel/llvm/llvm-6.0.0.ebuild')
| -rw-r--r-- | sys-devel/llvm/llvm-6.0.0.ebuild | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/sys-devel/llvm/llvm-6.0.0.ebuild b/sys-devel/llvm/llvm-6.0.0.ebuild index f38524606bb8..cf9585069ad3 100644 --- a/sys-devel/llvm/llvm-6.0.0.ebuild +++ b/sys-devel/llvm/llvm-6.0.0.ebuild @@ -75,15 +75,6 @@ S=${WORKDIR}/${P/_/}.src # least intrusive of all CMAKE_BUILD_TYPE=RelWithDebInfo -pkg_pretend() { - if tc-is-gcc && [[ $(gcc-major-version) -ge 7 ]]; then - eerror "GCC 7 is known to cause mis-compilation that causes the build to hang." - eerror "Please use an older version to build LLVM until a good solution is found." - eerror "Bug report: https://bugs.gentoo.org/649880" - die "GCC-7+ is not supported" - fi -} - src_prepare() { # Fix llvm-config for shared linking and sane flags # https://bugs.gentoo.org/show_bug.cgi?id=565358 @@ -179,6 +170,13 @@ 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 |