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author | Michał Górny <mgorny@gentoo.org> | 2016-10-01 20:58:18 +0200 |
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committer | Michał Górny <mgorny@gentoo.org> | 2016-10-01 21:05:59 +0200 |
commit | 93a7dfc1e15d39ae382e56d6da1e775e08efbdd3 (patch) | |
tree | e6df10290c50b5333418501543d4fb11ae31e232 /sys-libs | |
parent | sys-libs/compiler-rt-sanitizers: Use app-portage/unsandbox for tests (diff) | |
download | gentoo-93a7dfc1e15d39ae382e56d6da1e775e08efbdd3.tar.gz gentoo-93a7dfc1e15d39ae382e56d6da1e775e08efbdd3.tar.bz2 gentoo-93a7dfc1e15d39ae382e56d6da1e775e08efbdd3.zip |
sys-libs/compiler-rt: Support bootstrapping with runtime-less clang
Diffstat (limited to 'sys-libs')
-rw-r--r-- | sys-libs/compiler-rt/compiler-rt-9999.ebuild | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sys-libs/compiler-rt/compiler-rt-9999.ebuild b/sys-libs/compiler-rt/compiler-rt-9999.ebuild index 751fac90d8b0..1f8d17441573 100644 --- a/sys-libs/compiler-rt/compiler-rt-9999.ebuild +++ b/sys-libs/compiler-rt/compiler-rt-9999.ebuild @@ -9,7 +9,7 @@ CMAKE_MIN_VERSION=3.4.3 PYTHON_COMPAT=( python2_7 ) # TODO: fix unnecessary dep on Python upstream -inherit cmake-utils flag-o-matic git-r3 python-any-r1 +inherit cmake-utils flag-o-matic git-r3 python-any-r1 toolchain-funcs DESCRIPTION="Compiler runtime library for clang (built-in part)" HOMEPAGE="http://llvm.org/" @@ -28,10 +28,23 @@ DEPEND="${RDEPEND} ~sys-devel/llvm-${PV} ${PYTHON_DEPS}" +test_compiler() { + $(tc-getCC) ${CFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c - \ + <<<'int main() { return 0; }' &>/dev/null +} + src_configure() { # pre-set since we need to pass it to cmake BUILD_DIR=${WORKDIR}/${P}_build + if ! test_compiler; then + local extra_flags=( -nodefaultlibs -lc ) + if test_compiler "${extra_flags[@]}"; then + local -x LDFLAGS="${LDFLAGS} ${extra_flags[*]}" + ewarn "${CC} seems to lack runtime, trying with ${extra_flags[*]}" + fi + fi + local clang_version=4.0.0 local libdir=$(get_libdir) local mycmakeargs=( |