reinit the tree, so we can have metadata

1 files changed, 144 insertions, 0 deletions

diff --git a/sys-libs/compiler-rt/compiler-rt-4.0.1.ebuild b/sys-libs/compiler-rt/compiler-rt-4.0.1.ebuild
new file mode 100644
index 000000000000..bc1e65eb314f
--- /dev/null
+++ b/sys-libs/compiler-rt/compiler-rt-4.0.1.ebuild
@@ -0,0 +1,144 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python2_7 )
+
+# TODO: fix unnecessary dep on Python upstream
+inherit cmake-utils flag-o-matic llvm python-any-r1 toolchain-funcs
+
+DESCRIPTION="Compiler runtime library for clang (built-in part)"
+HOMEPAGE="https://llvm.org/"
+SRC_URI="https://releases.llvm.org/${PV/_//}/${P/_/}.src.tar.xz"
+
+LICENSE="|| ( UoI-NCSA MIT )"
+SLOT="${PV%_*}"
+KEYWORDS="~amd64 ~arm64 ~x86"
+IUSE="+clang test"
+
+LLVM_SLOT=${SLOT%%.*}
+RDEPEND="!=sys-libs/compiler-rt-${SLOT}*:0"
+# llvm-4 needed for --cmakedir
+DEPEND="
+	>=sys-devel/llvm-4
+	clang? ( sys-devel/clang )
+	test? ( =sys-devel/clang-${PV%_*}*:${LLVM_SLOT} )
+	${PYTHON_DEPS}"
+
+S=${WORKDIR}/${P/_/}.src
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+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++
+		# ensure we can use clang before installing compiler-rt
+		local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+		strip-unsupported-flags
+	elif ! test_compiler; then
+		if test_compiler "${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/${SLOT}"
+		# use a build dir structure consistent with install
+		# this makes it possible to easily deploy test-friendly clang
+		-DCOMPILER_RT_OUTPUT_DIR="${BUILD_DIR}/lib/clang/${SLOT}"
+
+		# currently lit covers only sanitizer tests
+		-DCOMPILER_RT_INCLUDE_TESTS=OFF
+		-DCOMPILER_RT_BUILD_SANITIZERS=OFF
+		-DCOMPILER_RT_BUILD_XRAY=OFF
+	)
+
+	cmake-utils_src_configure
+}
+
+src_test() {
+	# prepare a test compiler
+	# copy clang over since resource_dir is located relatively to binary
+	# therefore, we can put our new libraries in it
+	mkdir -p "${BUILD_DIR}"/lib/{llvm/${LLVM_SLOT}{/bin,$(get_libdir)},clang/${SLOT}/include} || die
+	cp "${EPREFIX}"/usr/lib/llvm/${LLVM_SLOT}/bin/clang{,++} \
+		"${BUILD_DIR}"/lib/llvm/${LLVM_SLOT}/bin/ || die
+	cp "${EPREFIX}/usr/lib/clang/${SLOT}/include"/*.h \
+		"${BUILD_DIR}/lib/clang/${SLOT}/include/" || die
+
+	# builtins are not converted to lit yet, so run them manually
+	local tests=() f
+	cd "${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}/lib/llvm/${LLVM_SLOT}/bin/clang" \
+			CFLAGS="$(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
+}