commit: 93a7dfc1e15d39ae382e56d6da1e775e08efbdd3 Author: Michał Górny <mgorny <AT> gentoo <DOT> org> AuthorDate: Sat Oct 1 18:58:18 2016 +0000 Commit: Michał Górny <mgorny <AT> gentoo <DOT> org> CommitDate: Sat Oct 1 19:05:59 2016 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=93a7dfc1
sys-libs/compiler-rt: Support bootstrapping with runtime-less clang sys-libs/compiler-rt/compiler-rt-9999.ebuild | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/sys-libs/compiler-rt/compiler-rt-9999.ebuild b/sys-libs/compiler-rt/compiler-rt-9999.ebuild index 751fac9..1f8d174 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=(
