sys-libs/libcxx: Remove old

Signed-off-by: Michał Górny <mgorny@gentoo.org>

4 files changed, 0 insertions, 612 deletions

diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 64c22660a3d8..164358dffbe6 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -8,10 +8,6 @@ DIST llvm-project-17.0.6.src.tar.xz 127838860 BLAKE2B d6ede1a9fda8756995c3e06541
 DIST llvm-project-17.0.6.src.tar.xz.sig 438 BLAKE2B 186e75b6a0fbfe1e85408589c149e1800fcc47d685b74e4260018e05cd08bc793d1d1197c9c50e177eea941a3d0c65cb0c583ce6dae449099b920adf8a508ef7 SHA512 f78c55053a6450625f3e95f52c305110b4468a9854fec75831b65b8d6ceee3c9206ab9e63c4b5fda8be9bd344f72cfbdaae0520ed240abd505e08ebeaa25d340
 DIST llvm-project-18.1.8.src.tar.xz 132067260 BLAKE2B a950492f1dbfb874dff63b1ffef86468169ba2f211a9733ec2d4cf30040f7f277ef00f048bb44dee9f97d7d762f0f241f19e5a2a7b0b49217d3821ddfc8c354f SHA512 25eeee9984c8b4d0fbc240df90f33cbb000d3b0414baff5c8982beafcc5e59e7ef18f6f85d95b3a5f60cb3d4cd4f877c80487b5768bc21bc833f107698ad93db
 DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b85774b2edd5d88fdf29f23b88eb0b5130a7a7f0e80549612b025f927e92de4a08ff7c292cff224dbda91a5d598244e98f7ad0fbd SHA512 ddfd1e8a06756759af6cbe488c82a6d6a62ba91f3e8a0eb4cece561321824f5d165b08ed91010588790b76e19790931d2651b24dba8567e3b151d3cb43bec25b
-DIST llvm-project-19.1.0-rc4.src.tar.xz 141255904 BLAKE2B c693dc94aeb4b59ad4a05a426037075449535c398cbc1ae9b4371d42ea0962b267a3be8af93f4fe47b21c11964fbea6e8eb662225e6f79b20bbc35e706588435 SHA512 826978a596b26040124f2ceba858f91031f78faca22f32de2eea1a4d299a849dcb1fffdfb01601adc39d733dd0cdee43b21af05159d45dcebc842f6b6b540ba8
-DIST llvm-project-19.1.0-rc4.src.tar.xz.sig 438 BLAKE2B aef02737285d2faa1b21cec1a32fff6e776ac4bb5c4fd6f26d3d1a9b9244ed1fc0a1eb786a444a6549dda8683485f67964b4d4e48393e1780e7938ee0d94348a SHA512 5b9dcbf232229fdd87824bc87d0ad4ebd54127c9288708fb3304166422d378b77a843d7c5d8258850a0de59310c24e65042d636a5314e2af8513627a43bdb6e8
 DIST llvm-project-19.1.0.src.tar.xz 141244872 BLAKE2B 972d028599006d528acdb0ff107b30af8bef247a0f174991646d07f0a47e7d237a5a1700ae668a9f4496295535d688eeeebe550669e78b0775aaab044f5b268e SHA512 396b34886f8442eeb5bc23152e8c2577e834d88f1d21a67829f9ca651b77c5ceb32df4e70c34dc1e6fea24abe45fa00f08502628de25fdbf32864f5b9066d23d
 DIST llvm-project-19.1.0.src.tar.xz.sig 438 BLAKE2B b044fcc6f331e75f9340e390ef8a95242a7f74e7c9835e67161fc4dd0ba0a8a5400e8ec4efd0fe50d2a9a9d950d0b37d5c0725868f450619b161a36ebded6a67 SHA512 d596d4942750818f489f114ff953a2b27e220abcf132d4d4ce0d910b73dfc283262507fc35cc0b61363c4af22cb9112dd7a662a89ea4b9667827fa1bde6785ed
 DIST llvm-project-41f1b467a29d2ca4e35df37c3aa79a0a8c04bc4f.tar.gz 218633363 BLAKE2B 9367923a4257e0ce01cf443eca790a567c6d9224126ebff15849c829f04dbac39aee60de1f28eab71ee4143341105c46466e1983e0f2a1a478e75fd5363a8d02 SHA512 eca094df135f184e2c3a42a3984ac353b7a8286446da80f042aef8047761f5f5cc6eeccb9bff6056ff0ddd1babe31a468e279b028b9618364f88ae9f26053c22
-DIST llvm-project-5500e21942f7047344b6fee62d3e08c0ba2f9182.tar.gz 219148250 BLAKE2B 61880a13086c46ac9a9f8326b1e007146afb1662a0a223703fe36a91da230d5708b368f1177e76ac13c1e5a30f620c4ce6346484a0a67a0f011a816bba4d13f9 SHA512 a6d4fcae960b450be2abd2da485cea638b73290b17ceeabf560651d614f55925f86ee6f76a116262d8a1ff70ba699468cb4cf4c32015e26540ba6e47c58db1b7
-DIST llvm-project-bece0d7517bd0a036dc8a319514e4a8a5c497dee.tar.gz 218241938 BLAKE2B 7ac08a21ab2899823683dc700bd2f6226e22653f5be553fe0278868f9fa0d8946fabe6aae40f68cfd14e019b1a3795affb64bf41ebcc949394b73a90e7cd019c SHA512 8893512dcbc1171d2c91aeb0aa9e5fd424474c4d6b5215fb1a078dc8757ab2d404b55ed90709e09368e0794c8306f489be8339d5c502dd6c2ef1852e24636e85
diff --git a/sys-libs/libcxx/libcxx-19.1.0_rc4.ebuild b/sys-libs/libcxx/libcxx-19.1.0_rc4.ebuild
deleted file mode 100644
index a0d07e1507f4..000000000000
--- a/sys-libs/libcxx/libcxx-19.1.0_rc4.ebuild
+++ /dev/null
@@ -1,201 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-PYTHON_COMPAT=( python3_{10..13} )
-inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
-inherit toolchain-funcs
-
-DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
-HOMEPAGE="https://libcxx.llvm.org/"
-
-LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
-SLOT="0"
-IUSE="+clang +libcxxabi +static-libs test"
-REQUIRED_USE="test? ( clang )"
-RESTRICT="!test? ( test )"
-
-RDEPEND="
-	libcxxabi? (
-		~sys-libs/libcxxabi-${PV}[static-libs?,${MULTILIB_USEDEP}]
-	)
-	!libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )
-"
-DEPEND="
-	${RDEPEND}
-	sys-devel/llvm:${LLVM_MAJOR}
-"
-BDEPEND="
-	clang? (
-		sys-devel/clang:${LLVM_MAJOR}
-	)
-	!test? (
-		${PYTHON_DEPS}
-	)
-	test? (
-		dev-debug/gdb[python]
-		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
-	)
-"
-
-LLVM_COMPONENTS=( runtimes libcxx{,abi} llvm/{cmake,utils/llvm-lit} cmake )
-llvm.org_set_globals
-
-python_check_deps() {
-	use test || return 0
-	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
-}
-
-pkg_setup() {
-	python-any-r1_pkg_setup
-
-	if ! use libcxxabi && ! 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
-}
-
-test_compiler() {
-	$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \
-		<<<'int main() { return 0; }' &>/dev/null
-}
-
-src_configure() {
-	llvm_prepend_path "${LLVM_MAJOR}"
-
-	# note: we need to do this before multilib kicks in since it will
-	# alter the CHOST
-	local cxxabi cxxabi_incs
-	if use libcxxabi; then
-		cxxabi=system-libcxxabi
-		cxxabi_incs="${EPREFIX}/usr/include/c++/v1"
-	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}/${CHOST}"
-	fi
-
-	multilib-minimal_src_configure
-}
-
-multilib_src_configure() {
-	if use clang; then
-		local -x CC=${CHOST}-clang
-		local -x CXX=${CHOST}-clang++
-		strip-unsupported-flags
-	fi
-
-	# link to compiler-rt
-	local use_compiler_rt=OFF
-	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
-
-	# bootstrap: cmake is unhappy if compiler can't link to stdlib
-	local nolib_flags=( -nodefaultlibs -lc )
-	if ! test_compiler; then
-		if test_compiler "${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=(
-		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
-		-DPython3_EXECUTABLE="${PYTHON}"
-		-DLLVM_ENABLE_RUNTIMES=libcxx
-		-DLLVM_INCLUDE_TESTS=OFF
-		-DLLVM_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=$(usex elibc_musl)
-		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
-		-DLIBCXX_INCLUDE_TESTS=$(usex test)
-		-DLIBCXX_INSTALL_MODULES=ON
-		-DLIBCXX_USE_COMPILER_RT=${use_compiler_rt}
-		# this is broken with standalone builds, and also meaningless
-		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
-	)
-
-	if use test; then
-		mycmakeargs+=(
-			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
-			-DLLVM_LIT_ARGS="$(get_lit_flags)"
-			-DPython3_EXECUTABLE="${PYTHON}"
-		)
-	fi
-	cmake_src_configure
-}
-
-multilib_src_compile() {
-	cmake_src_compile
-	if [[ ${CHOST} != *-darwin* ]] ; then
-		gen_shared_ldscript
-		use static-libs && gen_static_ldscript
-	fi
-}
-
-multilib_src_test() {
-	local -x LIT_PRESERVES_TMP=1
-	cmake_build check-cxx
-}
-
-multilib_src_install() {
-	cmake_src_install
-	# since we've replaced libc++.{a,so} with ldscripts, now we have to
-	# install the extra symlinks
-	if [[ ${CHOST} != *-darwin* ]] ; then
-		dolib.so lib/libc++_shared.so
-		use static-libs && dolib.a lib/libc++_static.a
-	fi
-}
-
-# Usage: deps
-gen_ldscript() {
-	local output_format
-	output_format=$($(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() {
-	# Move it first.
-	mv lib/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
-		$(usex libcxxabi libc++abi.a libsupc++.a)
-	)
-	# On Linux/glibc it does not link without libpthread or libdl. It is
-	# fine on FreeBSD.
-	use elibc_glibc && deps+=( libpthread.a libdl.a )
-
-	gen_ldscript "${deps[*]}" > lib/libc++.a || die
-}
-
-gen_shared_ldscript() {
-	# Move it first.
-	mv lib/libc++{,_shared}.so || die
-	local deps=(
-		libc++_shared.so
-		# libsupc++ doesn't have a shared version
-		$(usex libcxxabi libc++abi.so libsupc++.a)
-	)
-
-	gen_ldscript "${deps[*]}" > lib/libc++.so || die
-}
diff --git a/sys-libs/libcxx/libcxx-20.0.0_pre20240830.ebuild b/sys-libs/libcxx/libcxx-20.0.0_pre20240830.ebuild
deleted file mode 100644
index a0d07e1507f4..000000000000
--- a/sys-libs/libcxx/libcxx-20.0.0_pre20240830.ebuild
+++ /dev/null
@@ -1,201 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-PYTHON_COMPAT=( python3_{10..13} )
-inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
-inherit toolchain-funcs
-
-DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
-HOMEPAGE="https://libcxx.llvm.org/"
-
-LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
-SLOT="0"
-IUSE="+clang +libcxxabi +static-libs test"
-REQUIRED_USE="test? ( clang )"
-RESTRICT="!test? ( test )"
-
-RDEPEND="
-	libcxxabi? (
-		~sys-libs/libcxxabi-${PV}[static-libs?,${MULTILIB_USEDEP}]
-	)
-	!libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )
-"
-DEPEND="
-	${RDEPEND}
-	sys-devel/llvm:${LLVM_MAJOR}
-"
-BDEPEND="
-	clang? (
-		sys-devel/clang:${LLVM_MAJOR}
-	)
-	!test? (
-		${PYTHON_DEPS}
-	)
-	test? (
-		dev-debug/gdb[python]
-		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
-	)
-"
-
-LLVM_COMPONENTS=( runtimes libcxx{,abi} llvm/{cmake,utils/llvm-lit} cmake )
-llvm.org_set_globals
-
-python_check_deps() {
-	use test || return 0
-	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
-}
-
-pkg_setup() {
-	python-any-r1_pkg_setup
-
-	if ! use libcxxabi && ! 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
-}
-
-test_compiler() {
-	$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \
-		<<<'int main() { return 0; }' &>/dev/null
-}
-
-src_configure() {
-	llvm_prepend_path "${LLVM_MAJOR}"
-
-	# note: we need to do this before multilib kicks in since it will
-	# alter the CHOST
-	local cxxabi cxxabi_incs
-	if use libcxxabi; then
-		cxxabi=system-libcxxabi
-		cxxabi_incs="${EPREFIX}/usr/include/c++/v1"
-	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}/${CHOST}"
-	fi
-
-	multilib-minimal_src_configure
-}
-
-multilib_src_configure() {
-	if use clang; then
-		local -x CC=${CHOST}-clang
-		local -x CXX=${CHOST}-clang++
-		strip-unsupported-flags
-	fi
-
-	# link to compiler-rt
-	local use_compiler_rt=OFF
-	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
-
-	# bootstrap: cmake is unhappy if compiler can't link to stdlib
-	local nolib_flags=( -nodefaultlibs -lc )
-	if ! test_compiler; then
-		if test_compiler "${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=(
-		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
-		-DPython3_EXECUTABLE="${PYTHON}"
-		-DLLVM_ENABLE_RUNTIMES=libcxx
-		-DLLVM_INCLUDE_TESTS=OFF
-		-DLLVM_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=$(usex elibc_musl)
-		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
-		-DLIBCXX_INCLUDE_TESTS=$(usex test)
-		-DLIBCXX_INSTALL_MODULES=ON
-		-DLIBCXX_USE_COMPILER_RT=${use_compiler_rt}
-		# this is broken with standalone builds, and also meaningless
-		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
-	)
-
-	if use test; then
-		mycmakeargs+=(
-			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
-			-DLLVM_LIT_ARGS="$(get_lit_flags)"
-			-DPython3_EXECUTABLE="${PYTHON}"
-		)
-	fi
-	cmake_src_configure
-}
-
-multilib_src_compile() {
-	cmake_src_compile
-	if [[ ${CHOST} != *-darwin* ]] ; then
-		gen_shared_ldscript
-		use static-libs && gen_static_ldscript
-	fi
-}
-
-multilib_src_test() {
-	local -x LIT_PRESERVES_TMP=1
-	cmake_build check-cxx
-}
-
-multilib_src_install() {
-	cmake_src_install
-	# since we've replaced libc++.{a,so} with ldscripts, now we have to
-	# install the extra symlinks
-	if [[ ${CHOST} != *-darwin* ]] ; then
-		dolib.so lib/libc++_shared.so
-		use static-libs && dolib.a lib/libc++_static.a
-	fi
-}
-
-# Usage: deps
-gen_ldscript() {
-	local output_format
-	output_format=$($(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() {
-	# Move it first.
-	mv lib/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
-		$(usex libcxxabi libc++abi.a libsupc++.a)
-	)
-	# On Linux/glibc it does not link without libpthread or libdl. It is
-	# fine on FreeBSD.
-	use elibc_glibc && deps+=( libpthread.a libdl.a )
-
-	gen_ldscript "${deps[*]}" > lib/libc++.a || die
-}
-
-gen_shared_ldscript() {
-	# Move it first.
-	mv lib/libc++{,_shared}.so || die
-	local deps=(
-		libc++_shared.so
-		# libsupc++ doesn't have a shared version
-		$(usex libcxxabi libc++abi.so libsupc++.a)
-	)
-
-	gen_ldscript "${deps[*]}" > lib/libc++.so || die
-}
diff --git a/sys-libs/libcxx/libcxx-20.0.0_pre20240910.ebuild b/sys-libs/libcxx/libcxx-20.0.0_pre20240910.ebuild
deleted file mode 100644
index 43c213cc6426..000000000000
--- a/sys-libs/libcxx/libcxx-20.0.0_pre20240910.ebuild
+++ /dev/null
@@ -1,206 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-PYTHON_COMPAT=( python3_{10..13} )
-inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
-inherit toolchain-funcs
-
-DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
-HOMEPAGE="https://libcxx.llvm.org/"
-
-LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
-SLOT="0"
-IUSE="+clang +libcxxabi +static-libs test"
-REQUIRED_USE="test? ( clang )"
-RESTRICT="!test? ( test )"
-
-RDEPEND="
-	libcxxabi? (
-		~sys-libs/libcxxabi-${PV}[static-libs?,${MULTILIB_USEDEP}]
-	)
-	!libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )
-"
-DEPEND="
-	${RDEPEND}
-	sys-devel/llvm:${LLVM_MAJOR}
-"
-BDEPEND="
-	clang? (
-		sys-devel/clang:${LLVM_MAJOR}
-	)
-	!test? (
-		${PYTHON_DEPS}
-	)
-	test? (
-		dev-debug/gdb[python]
-		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
-	)
-"
-
-LLVM_COMPONENTS=( runtimes libcxx{,abi} llvm/{cmake,utils/llvm-lit} cmake )
-llvm.org_set_globals
-
-python_check_deps() {
-	use test || return 0
-	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
-}
-
-pkg_setup() {
-	python-any-r1_pkg_setup
-
-	if ! use libcxxabi && ! 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
-}
-
-test_compiler() {
-	$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \
-		<<<'int main() { return 0; }' &>/dev/null
-}
-
-src_configure() {
-	llvm_prepend_path "${LLVM_MAJOR}"
-
-	# note: we need to do this before multilib kicks in since it will
-	# alter the CHOST
-	local cxxabi cxxabi_incs
-	if use libcxxabi; then
-		cxxabi=system-libcxxabi
-		cxxabi_incs="${EPREFIX}/usr/include/c++/v1"
-	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}/${CHOST}"
-	fi
-
-	multilib-minimal_src_configure
-}
-
-multilib_src_configure() {
-	if use clang; then
-		local -x CC=${CHOST}-clang
-		local -x CXX=${CHOST}-clang++
-		strip-unsupported-flags
-	fi
-
-	# link to compiler-rt
-	local use_compiler_rt=OFF
-	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
-
-	# bootstrap: cmake is unhappy if compiler can't link to stdlib
-	local nolib_flags=( -nodefaultlibs -lc )
-	if ! test_compiler; then
-		if test_compiler "${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=(
-		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
-		-DPython3_EXECUTABLE="${PYTHON}"
-		-DLLVM_ENABLE_RUNTIMES=libcxx
-		-DLLVM_INCLUDE_TESTS=OFF
-		-DLLVM_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=$(usex elibc_musl)
-		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
-		-DLIBCXX_INCLUDE_TESTS=$(usex test)
-		-DLIBCXX_INSTALL_MODULES=ON
-		-DLIBCXX_USE_COMPILER_RT=${use_compiler_rt}
-		# this is broken with standalone builds, and also meaningless
-		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
-	)
-
-	if use test; then
-		mycmakeargs+=(
-			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
-			-DLLVM_LIT_ARGS="$(get_lit_flags)"
-			-DPython3_EXECUTABLE="${PYTHON}"
-		)
-	fi
-	cmake_src_configure
-}
-
-multilib_src_compile() {
-	cmake_src_compile
-	if [[ ${CHOST} != *-darwin* ]] ; then
-		gen_shared_ldscript
-		use static-libs && gen_static_ldscript
-	fi
-}
-
-multilib_src_test() {
-	local -x LIT_PRESERVES_TMP=1
-	cmake_build install-cxx-test-suite-prefix
-	cp "${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_shared.so || die
-	if use static-libs; then
-		cp "${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_static.a || die
-	fi
-	cmake_build check-cxx
-}
-
-multilib_src_install() {
-	cmake_src_install
-	# since we've replaced libc++.{a,so} with ldscripts, now we have to
-	# install the extra symlinks
-	if [[ ${CHOST} != *-darwin* ]] ; then
-		dolib.so lib/libc++_shared.so
-		use static-libs && dolib.a lib/libc++_static.a
-	fi
-}
-
-# Usage: deps
-gen_ldscript() {
-	local output_format
-	output_format=$($(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() {
-	# Move it first.
-	mv lib/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
-		$(usex libcxxabi libc++abi.a libsupc++.a)
-	)
-	# On Linux/glibc it does not link without libpthread or libdl. It is
-	# fine on FreeBSD.
-	use elibc_glibc && deps+=( libpthread.a libdl.a )
-
-	gen_ldscript "${deps[*]}" > lib/libc++.a || die
-}
-
-gen_shared_ldscript() {
-	# Move it first.
-	mv lib/libc++{,_shared}.so || die
-	local deps=(
-		libc++_shared.so
-		# libsupc++ doesn't have a shared version
-		$(usex libcxxabi libc++abi.so libsupc++.a)
-	)
-
-	gen_ldscript "${deps[*]}" > lib/libc++.so || die
-}