sys-libs/compiler-rt: Bump to 4.0.0rc1

1 files changed, 138 insertions, 0 deletions

diff --git a/sys-libs/compiler-rt/compiler-rt-4.0.0_rc1.ebuild b/sys-libs/compiler-rt/compiler-rt-4.0.0_rc1.ebuild
new file mode 100644
index 000000000000..f21ac61ebe4a
--- /dev/null
+++ b/sys-libs/compiler-rt/compiler-rt-4.0.0_rc1.ebuild
@@ -0,0 +1,138 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python2_7 )
+
+# TODO: fix unnecessary dep on Python upstream
+inherit cmake-utils flag-o-matic git-r3 python-any-r1 toolchain-funcs
+
+DESCRIPTION="Compiler runtime library for clang (built-in part)"
+HOMEPAGE="http://llvm.org/"
+SRC_URI=""
+EGIT_REPO_URI="http://llvm.org/git/compiler-rt.git
+	https://github.com/llvm-mirror/compiler-rt.git"
+EGIT_BRANCH="release_40"
+EGIT_COMMIT="850646edf7e605354c66693c16ab69193e04a078"
+
+LICENSE="|| ( UoI-NCSA MIT )"
+SLOT="0/${PV%.*}"
+KEYWORDS=""
+IUSE="test"
+
+RDEPEND="
+	!<sys-devel/llvm-4"
+# llvm-4 needed for --cmakedir
+DEPEND="${RDEPEND}
+	>=sys-devel/llvm-4
+	test? ( ~sys-devel/clang-${PV} )
+	${PYTHON_DEPS}"
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+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 ${extra_flags[*]}"
+		fi
+	fi
+
+	local llvm_version=$(llvm-config --version) || die
+	local clang_version=$(get_version_component_range 1-3 "${llvm_version}")
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${clang_version}"
+		# use a build dir structure consistent with install
+		# this makes it possible to easily deploy test-friendly clang
+		-DCOMPILER_RT_OUTPUT_DIR="${BUILD_DIR}/lib/clang/${clang_version}"
+
+		# currently lit covers only sanitizer tests
+		-DCOMPILER_RT_INCLUDE_TESTS=OFF
+		-DCOMPILER_RT_BUILD_SANITIZERS=OFF
+		-DCOMPILER_RT_BUILD_XRAY=OFF
+	)
+
+	cmake-utils_src_configure
+}
+
+run_tests_for_abi() {
+	local ABI=${1}
+}
+
+src_test() {
+	# prepare a test compiler
+	local llvm_version=$(llvm-config --version) || die
+	local clang_version=$(get_version_component_range 1-3 "${llvm_version}")
+
+	# copy clang over since resource_dir is located relatively to binary
+	# therefore, we can put our new libraries in it
+	mkdir -p "${BUILD_DIR}"/{bin,$(get_libdir),lib/clang/"${clang_version}"/include} || die
+	cp "${EPREFIX}/usr/bin/clang" "${EPREFIX}/usr/bin/clang++" \
+		"${BUILD_DIR}"/bin/ || die
+	cp "${EPREFIX}/usr/lib/clang/${clang_version}/include"/*.h \
+		"${BUILD_DIR}/lib/clang/${clang_version}/include/" || die
+
+	# builtins are not converted to lit yet, so run them manually
+	local tests=() f
+	cd "${S}"/test/builtins/Unit || die
+	while read -r -d '' f; do
+		# ppc subdir is unmaintained and lacks proper guards
+		# (and ppc builtins do not seem to be used anyway)
+		[[ ${f} == ./ppc/* ]] && continue
+		# these are special
+		[[ ${f} == ./cpu_model_test.c ]] && continue
+		[[ ${f} == ./gcc_personality_test.c ]] && continue
+		# unsupported
+		[[ ${f} == ./trampoline_setup_test.c ]] && continue
+		tests+=( "${f%.c}" )
+	done < <(find -name '*.c' -print0)
+
+	{
+		echo "check: ${tests[*]/#/check-}" &&
+		echo ".PHONY: check ${tests[*]/#/check-}" &&
+		for f in "${tests[@]}"; do
+			echo "check-${f}: ${f}" &&
+			echo "	${f}"
+		done
+	} > Makefile || die
+
+	local ABI
+	for ABI in $(get_all_abis); do
+		# not supported at all at the moment
+		[[ ${ABI} == x32 ]] && continue
+
+		rm -f "${tests[@]}" || die
+
+		einfo "Running tests for ABI=${ABI}"
+		# use -k to run all tests even if some fail
+		emake -k \
+			CC="${BUILD_DIR}/bin/clang" \
+			CFLAGS="$(get_abi_CFLAGS)" \
+			CPPFLAGS='-I../../../lib/builtins' \
+			LDFLAGS='-rtlib=compiler-rt' \
+			LDLIBS='-lm'
+	done
+}
+
+src_install() {
+	cmake-utils_src_install
+
+	# includes are mistakenly installed for all sanitizers and xray
+	rm -rf "${ED}"usr/lib/clang/*/include || die
+}