gentoo resync : 25.09.2019

5 files changed, 239 insertions, 43 deletions

diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index e1ddf662fd95..9b8c4630ab1e 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -3,10 +3,12 @@ DIST libcxx-6.0.1.src.tar.xz 1552328 BLAKE2B 65a6addd04e530c2a72e8cba207282b9e9f
 DIST libcxx-7.1.0.src.tar.xz 1638448 BLAKE2B eca192e03f839f4323e3c37beba2e6daaf935d4e784e0bc835a4d2c3ce0790f5539bdca0466feafd668d7c6675b11b7fe14d9adb680c46fd7b28b42a3b423219 SHA512 925ce5093445f84dc17d5b1610e4297ef3606b254b7350c50f88ba042fcca62125ffd97d21cb612707d5e9511267634ca1779619199f95ce819e5f5c0c2b55d5
 DIST libcxx-8.0.0.src.tar.xz 1752308 BLAKE2B 1e8cd8c7100f5f8b943ba8f38b0b59a0fd5e5bea834953483a67502f67de3eb51eba4ed4be17cdb54406da4ad7ebc6fef33934c59db982afa55856ce9f1f46ff SHA512 2e0fcd3e78f7e15ea894e52c51351daef8e3a2aaf53b3df7497b11403d28f5269ff49a4674bacea1d565a5faa2b24502caaaeff9cd48518f0d141563d8f9cc03
 DIST libcxx-8.0.1.src.tar.xz 1739524 BLAKE2B 6e641cb6bda0de12c8408d3ab33f627389ac014aa65b3391c870aa96ffd347784e6b70b953bd1ee8eba56554e0f78a723ab77b9dba5f85e6219e2b95ca50c160 SHA512 75749d08b2b343c6f5f9aefb04be63e42f6d12efc51101d3647ed6f70c7a6d050afb3ab2f3636eae78cb523f5844de67b960a7a3145ed89ab0c7015deb14921e
-EBUILD libcxx-10.0.0.9999.ebuild 7093 BLAKE2B 9091fed3e48a68383200334296a1a2cb78bc1a92b1c01f325fe5c0c76b135533dcf18efc83cad833cc2fc836e9ee21f0b1d892189e79f8933a42ca4561ab3379 SHA512 88adb2cf06d76a595b86a59dce0f1178cb931af639c8d52ff6ac84692d97f7a1567c1564fe0f44e44bc32170ca49dff226906fabd7eae1c8cd30c02b723fb2f6
+DIST libcxx-9.0.0.src.tar.xz 1814388 BLAKE2B 59b8967706d1f85b1c0d2b9932bd637aae7118ae461e2b31e1d17c9a2ee2e02ea0ea8b344074a9fc4b430b5c742b8ad30c10a0c44e5290528fdecd7571352879 SHA512 cbaca724c4f3e3a270dfd53aac50cbb920190fe55486b164d52e73845819dd22afb10c23f5875da59d433fd5b96a0f153208746117309ac1267a38fa56f4818e
+EBUILD libcxx-10.0.0.9999.ebuild 6803 BLAKE2B 21e8cbd81082a98caad8f9232bf654f94a77b75f68b8f0aa4afa9e757c72e40c6f78fd43e943ff0ddd3d2f51d553c58935110fafd863eeef99b864aee97cd6f5 SHA512 ffca4505e93a04d62295cc2d82c423c6bb4c855148f5f45d744149ff4cb06ba2b89d4e9c18d7ad18f618f87de8affa16a86549cadb3562de3f9fecebab8013a8
 EBUILD libcxx-6.0.1.ebuild 6746 BLAKE2B 616128b9d49049ac6de90b84f89a48c7033f5927edc5e15674df5e3a2225630f59a99c8047c71d9128304d726241ceaa1cefabf8d44e4b2d6a491611f63bee88 SHA512 3df9e7e79b62893441212fe7baa51190ac69f0bf64332718ae53596a043dc3583b8125bbcf7339cca7cf9937aa870ea0d8b12670700962c1cb22892f706e3129
 EBUILD libcxx-7.1.0.ebuild 6746 BLAKE2B e087e9098950a12f1054141f9d7a3a447193dfc387124711b5eb90c49a6bd323f8e02fcfe31cdba355626719766dd52f8cf9f0357ab366d16de8f5abf72c881c SHA512 051bf7bed481f0f013e87da5f087286ad2826b80c61514008fc1d31a5d5333423df72197229820b7ec413633413afb9a05779fee52063ac358b11774d09bf680
 EBUILD libcxx-8.0.0.ebuild 6750 BLAKE2B 6e03588334d2af0c0ce2e02ff2e7a8f9f9817a494fc6445a4fecfb1381884eb4a92921d7b06d5c12f36795acac5f2ee90a3794665419e9bc6ed2bde99a4f7259 SHA512 4bc27a7e3974d83a661887ca32f414b1697f0470ba8d9505f1ea795537d252cd336feb8a8db71f456821b2d9f38613458af888f530663df78a371f7e1391d897
-EBUILD libcxx-8.0.1.ebuild 6786 BLAKE2B 566b15bceff07d99a155fd7ccbd72d066af5be723f2f7a6a5a57fb3d1ed876eec09185b1c33b462a2443187d0c200df3a72696c700f2cdef77dc8de22425472a SHA512 7309e7d97d58b427fe0b193eb5d1419fa33533e5294733c6a91e9d31d1573870b2ab24a4766075b105bcd669fb3d9c182fb756a08e32350d28a00d019705c24b
-EBUILD libcxx-9.0.0.9999.ebuild 7118 BLAKE2B e4af9cd8fdc3728d46feab331acc98010bd7a8b5fca99df215898ba7e38a5001de66c6b215f163d31ea089b0096944c7da976f8c118d561712e810e427a09058 SHA512 ab849d2c0a4ee0a6b7e536db0c96886fc850cb208bb8d60717c9f6c02a1e1b98748256161d25c951d1665b6570244e3db33af672c796a88506ceb9761df0c310
+EBUILD libcxx-8.0.1.ebuild 6785 BLAKE2B 5866b64326efe6a5bdbb4adec40711f93bd3a975b97899b34997557158320a6fae6a7bc066a6f04d99074157dc1e7cfa3980486c3b73fa53d09c6af4b6802092 SHA512 15eb3670016e6a1feb6ae58f38b77e48274c71cbd78e75b2113975b74e63ce28a5bb0b7f344794e7cda42feb3620334eb6ec878586f025d3d3ff2ec1f47c31b4
+EBUILD libcxx-9.0.0.9999.ebuild 6828 BLAKE2B 4a4b10af19556d92f66c9c482fff2466ea0665dc8a0d94ab9a148fa7c4ed564d812f806efbfd70100dd5f88f5fe29e63569f0728acfad86fee66bb3f6065c1e6 SHA512 dc978bd17e4242e857e6186e2bb9f4d6fdee1fb0bd8fb760e46ae33b542b67f0c992805295b8e0908c1cf9a04c309295531807c21b9f27581d7156aeba4183ae
+EBUILD libcxx-9.0.0.ebuild 6817 BLAKE2B 50ac564c7f8b0b4bbd401de81626ca22bbc24892b14479ef54e072533efd65686799e1f5c62adf14e2fe58adee11009199540e79db05fb10f34b672272a205f9 SHA512 af1d6fbd771745efab13610fdcf57d3c11cecc42a48716d55037fbac768a44d6f46fd25ad4aa2d115c7b9a1e370f4766668851f92c1ec264927d84b9b8f3bc22
 MISC metadata.xml 854 BLAKE2B f731ffbb07722face32cfe5ef0576c572fc45d93e8d78ec4adb46c43b95999dc4eb48f20311517fe08a397f2e5dec56c530bb6787a058358cfd1af8d79ffad90 SHA512 8ef3feab266e09442a42baced2d72667fa8b1290624c2c84bab7b173ead72669568847f6e995388fc1d7bc722381f60805d87b2a0cc2d04ae0c49e36bec3802a
diff --git a/sys-libs/libcxx/libcxx-10.0.0.9999.ebuild b/sys-libs/libcxx/libcxx-10.0.0.9999.ebuild
index e1be8141143b..83d8eeaa8c40 100644
--- a/sys-libs/libcxx/libcxx-10.0.0.9999.ebuild
+++ b/sys-libs/libcxx/libcxx-10.0.0.9999.ebuild
@@ -8,31 +8,20 @@ EAPI=7
 : ${CMAKE_MAKEFILE_GENERATOR:=ninja}
 # (needed due to CMAKE_BUILD_TYPE != Gentoo)
 CMAKE_MIN_VERSION=3.7.0-r1
-EGIT_REPO_URI="https://git.llvm.org/git/libcxx.git
-	https://github.com/llvm-mirror/libcxx.git"
 PYTHON_COMPAT=( python{2_7,3_{5,6,7}} )
 
-[[ ${PV} == *9999 ]] && SCM="git-r3" || SCM=""
-
-inherit ${SCM} cmake-multilib llvm multiprocessing python-any-r1 \
+inherit cmake-multilib git-r3 llvm multiprocessing python-any-r1 \
 	toolchain-funcs
 
 DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
 HOMEPAGE="https://libcxx.llvm.org/"
-if [[ ${PV} != *9999 ]] ; then
-	SRC_URI="https://llvm.org/releases/${PV}/${P}.src.tar.xz"
-	S="${WORKDIR}/${P}.src"
-else
-	SRC_URI=""
-fi
+SRC_URI=""
+EGIT_REPO_URI="https://git.llvm.org/git/libcxx.git
+	https://github.com/llvm-mirror/libcxx.git"
 
 LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
 SLOT="0"
-if [[ ${PV} != *9999 ]] ; then
-	KEYWORDS="~amd64 ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux"
-else
-	KEYWORDS=""
-fi
+KEYWORDS=""
 IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
 REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
 	?? ( libcxxabi libcxxrt )"
@@ -46,10 +35,10 @@ RDEPEND="
 # clang-3.9.0 installs necessary target symlinks unconditionally
 # which removes the need for MULTILIB_USEDEP
 DEPEND="${RDEPEND}
-	test? ( >=sys-devel/clang-3.9.0
-		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )
-	app-arch/xz-utils
 	>=sys-devel/llvm-6"
+BDEPEND="
+	test? ( >=sys-devel/clang-3.9.0
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )"
 
 DOCS=( CREDITS.TXT )
 
diff --git a/sys-libs/libcxx/libcxx-8.0.1.ebuild b/sys-libs/libcxx/libcxx-8.0.1.ebuild
index d3a06927affa..c772def7a373 100644
--- a/sys-libs/libcxx/libcxx-8.0.1.ebuild
+++ b/sys-libs/libcxx/libcxx-8.0.1.ebuild
@@ -20,7 +20,7 @@ SRC_URI="https://github.com/llvm/llvm-project/releases/download/llvmorg-${PV}/${
 
 LICENSE="|| ( UoI-NCSA MIT )"
 SLOT="0"
-KEYWORDS="amd64 arm ~arm64 x86 ~amd64-fbsd"
+KEYWORDS="amd64 arm arm64 x86 ~amd64-fbsd"
 IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
 REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
 	?? ( libcxxabi libcxxrt )"
diff --git a/sys-libs/libcxx/libcxx-9.0.0.9999.ebuild b/sys-libs/libcxx/libcxx-9.0.0.9999.ebuild
index 4240c6da3356..5a84e2f5f998 100644
--- a/sys-libs/libcxx/libcxx-9.0.0.9999.ebuild
+++ b/sys-libs/libcxx/libcxx-9.0.0.9999.ebuild
@@ -8,32 +8,21 @@ EAPI=7
 : ${CMAKE_MAKEFILE_GENERATOR:=ninja}
 # (needed due to CMAKE_BUILD_TYPE != Gentoo)
 CMAKE_MIN_VERSION=3.7.0-r1
-EGIT_REPO_URI="https://git.llvm.org/git/libcxx.git
-	https://github.com/llvm-mirror/libcxx.git"
-EGIT_BRANCH="release_90"
 PYTHON_COMPAT=( python{2_7,3_{5,6,7}} )
 
-[[ ${PV} == *9999 ]] && SCM="git-r3" || SCM=""
-
-inherit ${SCM} cmake-multilib llvm multiprocessing python-any-r1 \
+inherit cmake-multilib git-r3 llvm multiprocessing python-any-r1 \
 	toolchain-funcs
 
 DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
 HOMEPAGE="https://libcxx.llvm.org/"
-if [[ ${PV} != *9999 ]] ; then
-	SRC_URI="https://llvm.org/releases/${PV}/${P}.src.tar.xz"
-	S="${WORKDIR}/${P}.src"
-else
-	SRC_URI=""
-fi
+SRC_URI=""
+EGIT_REPO_URI="https://git.llvm.org/git/libcxx.git
+	https://github.com/llvm-mirror/libcxx.git"
+EGIT_BRANCH="release_90"
 
 LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
 SLOT="0"
-if [[ ${PV} != *9999 ]] ; then
-	KEYWORDS="~amd64 ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux"
-else
-	KEYWORDS=""
-fi
+KEYWORDS=""
 IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
 REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
 	?? ( libcxxabi libcxxrt )"
@@ -47,10 +36,10 @@ RDEPEND="
 # clang-3.9.0 installs necessary target symlinks unconditionally
 # which removes the need for MULTILIB_USEDEP
 DEPEND="${RDEPEND}
-	test? ( >=sys-devel/clang-3.9.0
-		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )
-	app-arch/xz-utils
 	>=sys-devel/llvm-6"
+BDEPEND="
+	test? ( >=sys-devel/clang-3.9.0
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )"
 
 DOCS=( CREDITS.TXT )
 
diff --git a/sys-libs/libcxx/libcxx-9.0.0.ebuild b/sys-libs/libcxx/libcxx-9.0.0.ebuild
new file mode 100644
index 000000000000..d3f71fd82120
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-9.0.0.ebuild
@@ -0,0 +1,216 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+# Ninja provides better scalability and cleaner verbose output, and is used
+# throughout all LLVM projects.
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python{2_7,3_{5,6,7}} )
+
+inherit cmake-multilib llvm multiprocessing python-any-r1 \
+	toolchain-funcs
+
+MY_P=${P}.src
+DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
+HOMEPAGE="https://libcxx.llvm.org/"
+SRC_URI="https://releases.llvm.org/${PV}/${MY_P}.tar.xz"
+S=${WORKDIR}/${MY_P}
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86 ~amd64-fbsd"
+IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
+REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
+	?? ( libcxxabi libcxxrt )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	libcxxabi? ( ~sys-libs/libcxxabi-${PV}[libunwind=,static-libs?,${MULTILIB_USEDEP}] )
+	libcxxrt? ( sys-libs/libcxxrt[libunwind=,static-libs?,${MULTILIB_USEDEP}] )
+	!libcxxabi? ( !libcxxrt? ( >=sys-devel/gcc-4.7:=[cxx] ) )"
+# llvm-6 for new lit options
+# clang-3.9.0 installs necessary target symlinks unconditionally
+# which removes the need for MULTILIB_USEDEP
+DEPEND="${RDEPEND}
+	>=sys-devel/llvm-6"
+BDEPEND="
+	test? ( >=sys-devel/clang-3.9.0
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )"
+
+DOCS=( CREDITS.TXT )
+
+PATCHES=(
+	# Add link flag "-Wl,-z,defs" to avoid underlinking; this is needed in a
+	# out-of-tree build.
+	"${FILESDIR}/${PN}-3.9-cmake-link-flags.patch"
+)
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+python_check_deps() {
+	has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	llvm_pkg_setup
+	use test && python-any-r1_pkg_setup
+
+	if ! use libcxxabi && ! use libcxxrt && ! tc-is-gcc ; then
+		eerror "To build ${PN} against libsupc++, you have to use gcc. Other"
+		eerror "compilers are not supported. Please set CC=gcc and CXX=g++"
+		eerror "and try again."
+		die
+	fi
+	if tc-is-gcc && [[ $(gcc-version) < 4.7 ]] ; then
+		eerror "${PN} needs to be built with gcc-4.7 or later (or other"
+		eerror "conformant compilers). Please use gcc-config to switch to"
+		eerror "gcc-4.7 or later version."
+		die
+	fi
+}
+
+test_compiler() {
+	$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \
+		<<<'int main() { return 0; }' &>/dev/null
+}
+
+src_configure() {
+	# note: we need to do this before multilib kicks in since it will
+	# alter the CHOST
+	local cxxabi cxxabi_incs
+	if use libcxxabi; then
+		cxxabi=libcxxabi
+		cxxabi_incs="${EPREFIX}/usr/include/libcxxabi"
+	elif use libcxxrt; then
+		cxxabi=libcxxrt
+		cxxabi_incs="${EPREFIX}/usr/include/libcxxrt"
+	else
+		local gcc_inc="${EPREFIX}/usr/lib/gcc/${CHOST}/$(gcc-fullversion)/include/g++-v$(gcc-major-version)"
+		cxxabi=libsupc++
+		cxxabi_incs="${gcc_inc};${gcc_inc}/${CHOST}"
+	fi
+
+	multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+	# we want -lgcc_s for unwinder, and for compiler runtime when using
+	# gcc, clang with gcc runtime (or any unknown compiler)
+	local extra_libs=() want_gcc_s=ON
+	if use libunwind; then
+		# work-around missing -lunwind upstream
+		extra_libs+=( -lunwind )
+		# if we're using libunwind and clang with compiler-rt, we want
+		# to link to compiler-rt instead of -lgcc_s
+		if tc-is-clang; then
+			local compiler_rt=$($(tc-getCC) ${CFLAGS} ${CPPFLAGS} \
+			   ${LDFLAGS} -print-libgcc-file-name)
+			if [[ ${compiler_rt} == *libclang_rt* ]]; then
+				want_gcc_s=OFF
+				extra_libs+=( "${compiler_rt}" )
+			fi
+		fi
+	fi
+
+	# bootstrap: cmake is unhappy if compiler can't link to stdlib
+	local nolib_flags=( -nodefaultlibs -lc )
+	if ! test_compiler; then
+		if test_compiler "${nolib_flags[@]}"; then
+			local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+			ewarn "${CXX} seems to lack runtime, trying with ${nolib_flags[*]}"
+		fi
+	fi
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		-DLIBCXX_LIBDIR_SUFFIX=${libdir#lib}
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=$(usex static-libs)
+		-DLIBCXX_CXX_ABI=${cxxabi}
+		-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${cxxabi_incs}
+		# we're using our own mechanism for generating linker scripts
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+		-DLIBCXX_HAS_GCC_S_LIB=${want_gcc_s}
+		-DLIBCXX_INCLUDE_TESTS=$(usex test)
+		-DCMAKE_SHARED_LINKER_FLAGS="${extra_libs[*]} ${LDFLAGS}"
+	)
+
+	if use test; then
+		local clang_path=$(type -P "${CHOST:+${CHOST}-}clang" 2>/dev/null)
+		local jobs=${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")}
+
+		[[ -n ${clang_path} ]] || die "Unable to find ${CHOST}-clang for tests"
+
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="-vv;-j;${jobs};--param=cxx_under_test=${clang_path}"
+		)
+	fi
+	cmake-utils_src_configure
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake-utils_src_make check-libcxx
+}
+
+# Usage: deps
+gen_ldscript() {
+	local output_format
+	output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
+	[[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
+
+	cat <<-END_LDSCRIPT
+/* GNU ld script
+   Include missing dependencies
+*/
+${output_format}
+GROUP ( $@ )
+END_LDSCRIPT
+}
+
+gen_static_ldscript() {
+	local libdir=$(get_libdir)
+	local cxxabi_lib=$(usex libcxxabi "libc++abi.a" "$(usex libcxxrt "libcxxrt.a" "libsupc++.a")")
+
+	# Move it first.
+	mv "${ED}/usr/${libdir}/libc++.a" "${ED}/usr/${libdir}/libc++_static.a" || die
+	# Generate libc++.a ldscript for inclusion of its dependencies so that
+	# clang++ -stdlib=libc++ -static works out of the box.
+	local deps="libc++_static.a ${cxxabi_lib} $(usex libunwind libunwind.a libgcc_eh.a)"
+	# On Linux/glibc it does not link without libpthread or libdl. It is
+	# fine on FreeBSD.
+	use elibc_glibc && deps+=" libpthread.a libdl.a"
+
+	gen_ldscript "${deps}" > "${ED}/usr/${libdir}/libc++.a" || die
+}
+
+gen_shared_ldscript() {
+	local libdir=$(get_libdir)
+	# libsupc++ doesn't have a shared version
+	local cxxabi_lib=$(usex libcxxabi "libc++abi.so" "$(usex libcxxrt "libcxxrt.so" "libsupc++.a")")
+
+	mv "${ED}/usr/${libdir}/libc++.so" "${ED}/usr/${libdir}/libc++_shared.so" || die
+	local deps="libc++_shared.so ${cxxabi_lib} $(usex libunwind libunwind.so libgcc_s.so)"
+
+	gen_ldscript "${deps}" > "${ED}/usr/${libdir}/libc++.so" || die
+}
+
+multilib_src_install() {
+	cmake-utils_src_install
+	gen_shared_ldscript
+	use static-libs && gen_static_ldscript
+}
+
+pkg_postinst() {
+	elog "This package (${PN}) is mainly intended as a replacement for the C++"
+	elog "standard library when using clang."
+	elog "To use it, instead of libstdc++, use:"
+	elog "    clang++ -stdlib=libc++"
+	elog "to compile your C++ programs."
+}