From 586819755b4dbfdffdc8a725ab7c0f86095b8489 Mon Sep 17 00:00:00 2001
From: V3n3RiX <venerix@redcorelinux.org>
Date: Sat, 15 Sep 2018 17:37:09 +0100
Subject: gentoo resync : 15.09.2018

---
 sys-libs/libcxx/Manifest                |   4 +-
 sys-libs/libcxx/libcxx-7.0.0_rc2.ebuild | 209 --------------------------------
 sys-libs/libcxx/libcxx-7.0.0_rc3.ebuild | 209 ++++++++++++++++++++++++++++++++
 3 files changed, 211 insertions(+), 211 deletions(-)
 delete mode 100644 sys-libs/libcxx/libcxx-7.0.0_rc2.ebuild
 create mode 100644 sys-libs/libcxx/libcxx-7.0.0_rc3.ebuild

(limited to 'sys-libs/libcxx')

diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 3f7f93304246..9e0f132ad71a 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -7,13 +7,13 @@ DIST libcxx-3.9.1.src.tar.xz 1209020 BLAKE2B 510e77c2c1163babbba904933f441e8720b
 DIST libcxx-4.0.1.src.tar.xz 1446380 BLAKE2B cd871eff4c4ca25a1fe4d27f778e913fe536a0b5863ea7dd3c8895f6b743b6f039e4df71f9ba5124c98761a8099666f68e1dfd073b5ec7b9fe0007ef09a9117d SHA512 91f3f397be606989be99865d0b279557f9afb93f7a74ed10c3a74f4440e38b5694ddf452bbf2f487cacd4391606dd5c7edfe5130f2de19e2acfd6cce619d028a
 DIST libcxx-5.0.2.src.tar.xz 1530908 BLAKE2B e0c47d6803668267a71c75df873a136a2c3bec3732a08c365107b286f6dfef883edb81f9f4d22a0f312228865528bf1f15450c41803f8d3a8c8081fe12b62c25 SHA512 c77e0ea6bb3dc03270312de4a24fdd0d027448b2e182af31489031fd52f0997377c9049769930b80b2ba0062fe21317d8ae823c5e80e12128f8ae8e6f171be22
 DIST libcxx-6.0.1.src.tar.xz 1552328 BLAKE2B 65a6addd04e530c2a72e8cba207282b9e9fafc01a594d7b11f63d10b6f88eca67a3cdf90b8055e410ede358d9be1f63fbe427f308e1337833447c0260d96e1c8 SHA512 c04f628b0924d76f035f615b59d19ce42dfc19c9a8eea4fe2b22a95cfe5a037ebdb30943fd741443939df5b4cf692bc1e51c840fefefbd134e3afbe2a75fe875
-DIST libcxx-7.0.0rc2.src.tar.xz 1654748 BLAKE2B 95664de42bfa6b77c5db32c092469c36e92b5eb9554bf381f761e04a29da1f413c1ead2ac93674a30ad9d743aa3cc9f22e5edebd043d16f903ed83901a743ae6 SHA512 c0b84400cb7694f7088b965cb0cac26853ecc485c775afbb0ad2cfdc53497eb95b76f917b16090372b77297e7f80372aef29023da564387be49e2f412efb5746
+DIST libcxx-7.0.0rc3.src.tar.xz 1654708 BLAKE2B 190b7e1112a205e29873ede8dbdfd37e553d31629f6f9524fb7887222427b525eb42e6eda90d542587222e2a5a192b62f9fb8ae128fa9b4d1ddd1871af867f11 SHA512 aa8187fb1090ef8718ad3dfa512d246248a8bc94afddc155f4aff14fd1b8857ce30a4abccf12a57102ef6cd38b5e251b43dd312e9f85136c4546fd558eddb179
 EBUILD libcxx-3.7.1.ebuild 5335 BLAKE2B 6f4dbbb8dbc7f6e8b97f05ff3e638bb037bad416feffe5207a9cba166a5c0e0c92c3cac954088cc04cdf2a9be62f17cd5d7ece472e4e20d3c0be5b3c1edb2f52 SHA512 f4e04906e7205cd3d2f3180a0b897c1a9eaf5c65249bdbb62ed32a0455132009c88ae6f080b52abe6973752073ca3bc32e37e3491db9de2fc030cf77e4ed91b0
 EBUILD libcxx-3.9.1.ebuild 6815 BLAKE2B d15c83602e244f8a50e0a9d15869dbd4c7be226d8b1f93249cb6658149ad2408f0feada97403a0dfa3dcd8ac25b98ae084d1d17c879f67ae24d33f8497aba569 SHA512 9c9632590b49cd01ad324641ee296f08442940ab1dda1f0c7cdc77abe6b653f70d0baa9b796ef7d77e1f4728e96fe27fcd42d79a389cfcf2b2427b087b9985af
 EBUILD libcxx-4.0.1.ebuild 6453 BLAKE2B 2cab9946b4b79c4fc5310aae7ad32ae21f28a87e3e43c87731fe0542478342c4c7f5587472c39198b43f2a1f61329fc55a9e5c24804a34f70c70236e017eb964 SHA512 b656520a6bf00a73763fdf6f052869c76adb76ae9650d763c6b78a02393202c9bfeadd807ebafd6a071395aa64a0ede464fad0e4c127dfe39720e13342f82fc0
 EBUILD libcxx-5.0.2.ebuild 6363 BLAKE2B 8b4814e161304c2f69bf13e470c80ac1b681bbca60ce4076f4a06d22b35cea98e1f33a2afcfd7ef131d406ccdcde8f2dfaf9c4ea0b10ec7c40f13c0f259dbeba SHA512 820fbaa761cb4c078ed65f0bf6f4455428714d83628dd57f267b9480ef78a485ff2527bb98f71f10728cf58b8b53f699182ed52b9275dc9fd597eb41202884a4
 EBUILD libcxx-6.0.1.ebuild 6607 BLAKE2B aaab87d186c40106e35c90350eb57b820dda610cc65705c4464763f89067bc8f4ef09c023c03ebaaddcbc15c3a2982a9069ec0f940efe7959b58d0f45ea417dc SHA512 ec9f51f549956d45c1fd1ad42b8640fb2a390c51cf53abc3fc47f33077eb4b0d0a8d180bb4e8ecfeb408175c400147d13fbea6049a4346635416629a64179610
-EBUILD libcxx-7.0.0_rc2.ebuild 6582 BLAKE2B 40e948082679c805228976cb7f72742945e892e1532503ad6379391ee1461ea400499cb9313dd273b79c1bacce2c3d966465d5e5cf4ee7e41e7b9ffc71714cf5 SHA512 9a11c7b8b8b766555aafcd9bc43c5bfc6eb20ae6c27466fbabe880309bd07dd34ba2132f770db5c2b3b47ca2aba0bbd5184d7c7d2649ed5d90f59ded5857fc97
+EBUILD libcxx-7.0.0_rc3.ebuild 6582 BLAKE2B 40e948082679c805228976cb7f72742945e892e1532503ad6379391ee1461ea400499cb9313dd273b79c1bacce2c3d966465d5e5cf4ee7e41e7b9ffc71714cf5 SHA512 9a11c7b8b8b766555aafcd9bc43c5bfc6eb20ae6c27466fbabe880309bd07dd34ba2132f770db5c2b3b47ca2aba0bbd5184d7c7d2649ed5d90f59ded5857fc97
 EBUILD libcxx-7.0.9999.ebuild 6908 BLAKE2B edbb4b1c6fc2e2b813f5181f91b10dcc7106e806e222d02dc01cae726fab7df4323b198c497f5c39dc15ef4dd1a868ba4930e34b6bd5eb3399ad653846d25a11 SHA512 29fa5ef9ce51485d64458514a464e4000ba51b8b24535d0c57aca7777316e35ae901bf1c99fb148e28b6f54f01200d7a7457934d6c64ace1ca6b0ee5c39db872
 EBUILD libcxx-9999.ebuild 6880 BLAKE2B ba22276470631bb5e5e7781e0c2678b3a6a12bc6b5d39fcf37f20ffe5d2f90c24f0185c69d8cf79924a957fdcfd016609aa88f13f291d863a1919cef23e41f30 SHA512 0501d14d588a2231c6dbe15aee9428b66f7c3dad6915215abb65bdcc5aec23f8185a6aaa7bc838ad44bf7fc9ad2027fb68e33879b7f4a0ee311c71ff27fa0d4d
 MISC metadata.xml 854 BLAKE2B f731ffbb07722face32cfe5ef0576c572fc45d93e8d78ec4adb46c43b95999dc4eb48f20311517fe08a397f2e5dec56c530bb6787a058358cfd1af8d79ffad90 SHA512 8ef3feab266e09442a42baced2d72667fa8b1290624c2c84bab7b173ead72669568847f6e995388fc1d7bc722381f60805d87b2a0cc2d04ae0c49e36bec3802a
diff --git a/sys-libs/libcxx/libcxx-7.0.0_rc2.ebuild b/sys-libs/libcxx/libcxx-7.0.0_rc2.ebuild
deleted file mode 100644
index cc26d7d1ce0f..000000000000
--- a/sys-libs/libcxx/libcxx-7.0.0_rc2.ebuild
+++ /dev/null
@@ -1,209 +0,0 @@
-# Copyright 1999-2018 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-
-# Ninja provides better scalability and cleaner verbose output, and is used
-# throughout all LLVM projects.
-: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
-# (needed due to CMAKE_BUILD_TYPE != Gentoo)
-CMAKE_MIN_VERSION=3.7.0-r1
-PYTHON_COMPAT=( python2_7 )
-
-inherit cmake-multilib llvm multiprocessing python-any-r1 \
-	toolchain-funcs
-
-DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
-HOMEPAGE="https://libcxx.llvm.org/"
-SRC_URI="https://prereleases.llvm.org/${PV/_//}/${P/_/}.src.tar.xz"
-
-LICENSE="|| ( UoI-NCSA MIT )"
-SLOT="0"
-KEYWORDS=""
-IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
-REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
-	?? ( libcxxabi libcxxrt )"
-RESTRICT="!test? ( test )"
-
-RDEPEND="
-	libcxxabi? ( ~sys-libs/libcxxabi-${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}
-	test? ( >=sys-devel/clang-3.9.0
-		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )
-	app-arch/xz-utils
-	>=sys-devel/llvm-6"
-
-S=${WORKDIR}/${P/_/}.src
-
-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
-}
-
-multilib_src_configure() {
-	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}/${CHOST}"
-	fi
-
-	# we want -lgcc_s for unwinder, and for compiler runtime when using
-	# gcc, clang with gcc runtime (or any unknown compiler)
-	local extra_libs=() want_gcc_s=ON
-	if use libunwind; then
-		# work-around missing -lunwind upstream
-		extra_libs+=( -lunwind )
-		# if we're using libunwind and clang with compiler-rt, we want
-		# to link to compiler-rt instead of -lgcc_s
-		if tc-is-clang; then
-			local compiler_rt=$($(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() {
-	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."
-}
diff --git a/sys-libs/libcxx/libcxx-7.0.0_rc3.ebuild b/sys-libs/libcxx/libcxx-7.0.0_rc3.ebuild
new file mode 100644
index 000000000000..cc26d7d1ce0f
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-7.0.0_rc3.ebuild
@@ -0,0 +1,209 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+# Ninja provides better scalability and cleaner verbose output, and is used
+# throughout all LLVM projects.
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python2_7 )
+
+inherit cmake-multilib llvm multiprocessing python-any-r1 \
+	toolchain-funcs
+
+DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
+HOMEPAGE="https://libcxx.llvm.org/"
+SRC_URI="https://prereleases.llvm.org/${PV/_//}/${P/_/}.src.tar.xz"
+
+LICENSE="|| ( UoI-NCSA MIT )"
+SLOT="0"
+KEYWORDS=""
+IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
+REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
+	?? ( libcxxabi libcxxrt )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	libcxxabi? ( ~sys-libs/libcxxabi-${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}
+	test? ( >=sys-devel/clang-3.9.0
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )
+	app-arch/xz-utils
+	>=sys-devel/llvm-6"
+
+S=${WORKDIR}/${P/_/}.src
+
+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
+}
+
+multilib_src_configure() {
+	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}/${CHOST}"
+	fi
+
+	# we want -lgcc_s for unwinder, and for compiler runtime when using
+	# gcc, clang with gcc runtime (or any unknown compiler)
+	local extra_libs=() want_gcc_s=ON
+	if use libunwind; then
+		# work-around missing -lunwind upstream
+		extra_libs+=( -lunwind )
+		# if we're using libunwind and clang with compiler-rt, we want
+		# to link to compiler-rt instead of -lgcc_s
+		if tc-is-clang; then
+			local compiler_rt=$($(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() {
+	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."
+}
-- 
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