1 files changed, 106 insertions, 0 deletions
diff --git a/sys-libs/compiler-rt/compiler-rt-10.0.1_rc2.ebuild b/sys-libs/compiler-rt/compiler-rt-10.0.1_rc2.ebuild
new file mode 100644
index 000000000000..c83c56ecf249
--- /dev/null
+++ b/sys-libs/compiler-rt/compiler-rt-10.0.1_rc2.ebuild
@@ -0,0 +1,106 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6..9} )
+inherit cmake flag-o-matic llvm llvm.org python-any-r1 toolchain-funcs
+
+DESCRIPTION="Compiler runtime library for clang (built-in part)"
+HOMEPAGE="https://llvm.org/"
+LLVM_COMPONENTS=( compiler-rt )
+llvm.org_set_globals
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="$(ver_cut 1-3)"
+KEYWORDS=""
+IUSE="+clang test"
+RESTRICT="!test? ( test ) !clang? ( test )"
+
+CLANG_SLOT=${SLOT%%.*}
+# llvm-6 for new lit options
+DEPEND="
+	>=sys-devel/llvm-6"
+BDEPEND="
+	clang? ( sys-devel/clang )
+	test? (
+		$(python_gen_any_dep ">=dev-python/lit-9.0.1[\${PYTHON_USEDEP}]")
+		=sys-devel/clang-${PV%_*}*:${CLANG_SLOT} )
+	${PYTHON_DEPS}"
+
+python_check_deps() {
+	use test || return 0
+	has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_pretend() {
+	if ! use clang && ! tc-is-clang; then
+		ewarn "Building using a compiler other than clang may result in broken atomics"
+		ewarn "library. Enable USE=clang unless you have a very good reason not to."
+	fi
+}
+
+pkg_setup() {
+	llvm_pkg_setup
+	python-any-r1_pkg_setup
+}
+
+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
+
+	local nolib_flags=( -nodefaultlibs -lc )
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+		# ensure we can use clang before installing compiler-rt
+		local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+	elif ! test_compiler; then
+		if test_compiler "${nolib_flags[@]}"; then
+			local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+			ewarn "${CC} seems to lack runtime, trying with ${nolib_flags[*]}"
+		fi
+	fi
+
+	local mycmakeargs=(
+		-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${SLOT}"
+
+		-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
+		-DCOMPILER_RT_BUILD_LIBFUZZER=OFF
+		-DCOMPILER_RT_BUILD_PROFILE=OFF
+		-DCOMPILER_RT_BUILD_SANITIZERS=OFF
+		-DCOMPILER_RT_BUILD_XRAY=OFF
+	)
+
+	if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then
+		mycmakeargs+=(
+			# disable use of SDK for the system itself
+			-DDARWIN_macosx_CACHED_SYSROOT=/
+		)
+	fi
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+
+			-DCOMPILER_RT_TEST_COMPILER="${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang"
+			-DCOMPILER_RT_TEST_CXX_COMPILER="${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang++"
+		)
+	fi
+
+	cmake_src_configure
+}
+
+src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+
+	cmake_build check-builtins
+}