From de49812990871e1705b64051c35161d5e6400269 Mon Sep 17 00:00:00 2001
From: V3n3RiX <venerix@redcorelinux.org>
Date: Mon, 24 Dec 2018 14:11:38 +0000
Subject: gentoo resync : 24.12.2018

---
 sys-libs/libcxx/Manifest                |   6 +-
 sys-libs/libcxx/libcxx-7.0.0.ebuild     |   4 +-
 sys-libs/libcxx/libcxx-7.0.1.ebuild     | 215 ++++++++++++++++++++++++++++++++
 sys-libs/libcxx/libcxx-7.0.1_rc2.ebuild | 215 --------------------------------
 4 files changed, 220 insertions(+), 220 deletions(-)
 create mode 100644 sys-libs/libcxx/libcxx-7.0.1.ebuild
 delete mode 100644 sys-libs/libcxx/libcxx-7.0.1_rc2.ebuild

(limited to 'sys-libs/libcxx')

diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index f1c33355db57..2ba7dde27dc3 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -9,14 +9,14 @@ DIST libcxx-4.0.1.src.tar.xz 1446380 BLAKE2B cd871eff4c4ca25a1fe4d27f778e913fe53
 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-7.0.0.src.tar.xz 1652496 BLAKE2B 7c8e4b7743a775a5f41ef1a2e511b44ca67af32be03f4fec9a4f70b49b540a442724afd69a312d68719ace3eee9e3d600c7596bda68496212827e140da5a258e SHA512 5ebf8418bc9d311c1744c257ab7a26cf2436a64a47451905df70ec64b12d25ec33acf99e1b9d552fd54ed850bed8f53dffde2ea20292ecd9976eaa31f144caf5
-DIST libcxx-7.0.1rc2.src.tar.xz 1641280 BLAKE2B fec5ab41c7cdcc70582c812bd10bdcf6b400f865756bc60afbe4b84029c8ced4b519f1b3919baa381f086a0ef93b99f9f7bc47ec480ac2c49ef9c0e9d77e55b7 SHA512 04f1a26e21e082a685050c2f7696078d56e5a3b48e3b3916d6eb425b9b0b75354714faa5a78a2c003b9842215de07424b2d2361a0bdb3e4d6761d7cd28d53ded
+DIST libcxx-7.0.1.src.tar.xz 1638188 BLAKE2B 541d27c3801895d59ad06b15de5fe9ff0d9b5b3ef393a5fad05a12a52dd6453ecc530b0ce3129624a27e959d3c9c5f7066ebb57fd85caca538ebf4f990aa6967 SHA512 b3ad7ad95bdcf2d902b29de8a0b757d4dbc220bc1a22a813d6bcec15a34b3aa42e85c59f4cecbb318c799ca611550b44c328b37278f4349b984016ad4556c1d8
 EBUILD libcxx-3.7.1.ebuild 5335 BLAKE2B 6f4dbbb8dbc7f6e8b97f05ff3e638bb037bad416feffe5207a9cba166a5c0e0c92c3cac954088cc04cdf2a9be62f17cd5d7ece472e4e20d3c0be5b3c1edb2f52 SHA512 f4e04906e7205cd3d2f3180a0b897c1a9eaf5c65249bdbb62ed32a0455132009c88ae6f080b52abe6973752073ca3bc32e37e3491db9de2fc030cf77e4ed91b0
 EBUILD libcxx-3.9.1.ebuild 6954 BLAKE2B 041f1c1cbf105eace82b9d14ff2c4d1fbb55370cc0194896bf8a9ff2f43f9c2cab698402d0fc3833a0a73c09d8a4d76aed30133e3e36058aaf375112561484e7 SHA512 d8d080cd668a1d8833b1555def2d6383b63169e1091c54941f13707099627829246e70c94e8b070e429faab0b80b635e4a52b1a376eae110f7d818266b59937e
 EBUILD libcxx-4.0.1.ebuild 6592 BLAKE2B 79d1934e18efc7a221e235c372b15e13f71c0d58e41294385f1eaef39b9602336119aa6c1ca0ec608ee6497df14e3bcac9608cb8a01cb1f062eafcf7661145ce SHA512 a7cccd1799c55897ba0d116ef1cfeffe56d553429ea73618692b72de52e5d63d25417b518f0c9b2d96c30e7f6d0ed481d8e4d9d53046fe598f45de7473198c14
 EBUILD libcxx-5.0.2.ebuild 6502 BLAKE2B d6b0b4b2fc3ca56858c2b785da51187964074d55d5e9a1e2f7c4b6c41f4a819f7548cf56cff9977e1f65afbf4e9c1c6a699b44d6188d16c0aa0f3a5c0795790f SHA512 05bd5dd8bae0fae0f18bd69bd328482d8fea2004a70bbab72a3600c9c20071dd5108bee4ad770403594e7aa10e393783cc6703ccd279755383b58afcfbbce3ab
 EBUILD libcxx-6.0.1.ebuild 6746 BLAKE2B 616128b9d49049ac6de90b84f89a48c7033f5927edc5e15674df5e3a2225630f59a99c8047c71d9128304d726241ceaa1cefabf8d44e4b2d6a491611f63bee88 SHA512 3df9e7e79b62893441212fe7baa51190ac69f0bf64332718ae53596a043dc3583b8125bbcf7339cca7cf9937aa870ea0d8b12670700962c1cb22892f706e3129
-EBUILD libcxx-7.0.0.ebuild 6882 BLAKE2B 33c21050c65ce4c3ea40b511a50c84bfba2dfbadc947183a8ef1fba057bc88fae1ca604f9a4f4dd3736f32c88b804bc130fd4fe10cdfd30369cd408e13a7a422 SHA512 1b9a4b280c72b546734d900e250eb0d39310ea6a0dec9715a89ce1dfe5c4833bdd60f5072575b135ee56bde725417766e3fd6fef282668100097480a304f01dd
-EBUILD libcxx-7.0.1_rc2.ebuild 6751 BLAKE2B e6bd9859c9fdfb08d8eb90d19d14d607667796f7e4b2673eaef1c6b79b317283506455b89789e9c53e24a4dca61dd8d72561e5932d8998660ef2e38eefa083df SHA512 b9a08b5248801b2c73a1148b286dc9420626d1818af04f5a95c93ac338f310e4ede96dee71a9e57f703624163fd7707d01102d8029045c3e8854d20d44afb47b
+EBUILD libcxx-7.0.0.ebuild 6884 BLAKE2B 916cf01e1e6c40ab41b513ec215c09f18aed4e3bd8794487a4cde35baf44f203bb0de6510f1cb4849a69de3c83eb6621ee8f9d7e2756101d19dbc947b62781f3 SHA512 22c44966e726451d1c0adbe090a96446cb16b8a02bcf1606bbc21619433e14587ef3e72058909f1c15b39beaef1e082a0bfe2c67b0fd1cafc2139670cf4b8422
+EBUILD libcxx-7.0.1.ebuild 6750 BLAKE2B 0052def7166376e81fdc4126220bc6749113e43b2fd66f6e447e020f6bbb6b63b7519e3656c79793837c5b105e2606f34b1d23e78bf4dcd2c892f79cc32b2101 SHA512 f16905c20b669428f1378185072563f855ed03520057039ba794fc717f0ca2cc44bc1c1a78aa24bca688946d5a32e2843163198e4085396e668f4c695f5e61e7
 EBUILD libcxx-7.0.9999.ebuild 7047 BLAKE2B eb80753b38042cdb3ae3f01db2c4dc9bc7a588e00bcf1d7da85d3c30c73e941bbc1096d9b6be67c21dd47874354f909255a843371cb0fe9f479ee09d3439b292 SHA512 ae81c9c856f39dfef3dec1e66decab8b20987eb82c4093b6bfda2937c5111bc6a24058f95a92b3a3beb0b91df6f5bb83216ff4997a0be8fd7d28b8f29f91290f
 EBUILD libcxx-9999.ebuild 7019 BLAKE2B ea929ac8759c5b70e48fe32ade6ef24c2ce8830be6bb5a35411a654212c7b2d127ecaa2a94bebbbb01807ff57c7d814379f23047c206d265d917958478df54b6 SHA512 5dddc6b30accff0ad414953ec2cd177ee5b151106282113687a2977c00b1a85e7151f772000118d341d0074ae91875b8ef1bd0e03de1816875bcd289b03d14ef
 MISC metadata.xml 854 BLAKE2B f731ffbb07722face32cfe5ef0576c572fc45d93e8d78ec4adb46c43b95999dc4eb48f20311517fe08a397f2e5dec56c530bb6787a058358cfd1af8d79ffad90 SHA512 8ef3feab266e09442a42baced2d72667fa8b1290624c2c84bab7b173ead72669568847f6e995388fc1d7bc722381f60805d87b2a0cc2d04ae0c49e36bec3802a
diff --git a/sys-libs/libcxx/libcxx-7.0.0.ebuild b/sys-libs/libcxx/libcxx-7.0.0.ebuild
index 790f5dc12210..17b0722d40dc 100644
--- a/sys-libs/libcxx/libcxx-7.0.0.ebuild
+++ b/sys-libs/libcxx/libcxx-7.0.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -19,7 +19,7 @@ SRC_URI="https://releases.llvm.org/${PV/_//}/${P/_/}.src.tar.xz"
 
 LICENSE="|| ( UoI-NCSA MIT )"
 SLOT="0"
-KEYWORDS="~amd64 ~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-7.0.1.ebuild b/sys-libs/libcxx/libcxx-7.0.1.ebuild
new file mode 100644
index 000000000000..9dfc42c1c3d7
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-7.0.1.ebuild
@@ -0,0 +1,215 @@
+# Copyright 1999-2018 Gentoo Authors
+# 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.
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python2_7 )
+
+inherit cmake-multilib llvm multiprocessing python-any-r1 \
+	toolchain-funcs
+
+DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
+HOMEPAGE="https://libcxx.llvm.org/"
+SRC_URI="https://releases.llvm.org/${PV/_//}/${P/_/}.src.tar.xz"
+
+LICENSE="|| ( UoI-NCSA MIT )"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86 ~amd64-fbsd"
+IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
+REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
+	?? ( libcxxabi libcxxrt )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	libcxxabi? ( ~sys-libs/libcxxabi-${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}
+	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
+}
+
+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() {
+	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-7.0.1_rc2.ebuild b/sys-libs/libcxx/libcxx-7.0.1_rc2.ebuild
deleted file mode 100644
index c6d4692fb7b2..000000000000
--- a/sys-libs/libcxx/libcxx-7.0.1_rc2.ebuild
+++ /dev/null
@@ -1,215 +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/_//}/${P/_/}.src.tar.xz"
-
-LICENSE="|| ( UoI-NCSA MIT )"
-SLOT="0"
-KEYWORDS="~amd64 ~arm64 ~x86 ~amd64-fbsd"
-IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
-REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
-	?? ( libcxxabi libcxxrt )"
-RESTRICT="!test? ( test )"
-
-RDEPEND="
-	libcxxabi? ( ~sys-libs/libcxxabi-${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}
-	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
-}
-
-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() {
-	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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