sys-libs/libcxx: Remove old

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

4 files changed, 0 insertions, 633 deletions

diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index c3ee9958c840..e3d4d4939bf8 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -8,9 +8,4 @@ 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-18.1.0.src.tar.xz 132034208 BLAKE2B 06ad7c65e1d10946c74027ec46c46f9b78fe764dc6c45e016b3d39006dac40af4cae2e01d07131785711913f311d944e9817036b20b08366382e83f3d4093814 SHA512 b94f837ff0e1aafdd4939e6e50740c8ab6af602b182357ae495359301a6d5fadaa997014895b90e0c91a715c713218396bb10687167ef30b17ebeccf310f2adf
 DIST llvm-project-18.1.0.src.tar.xz.sig 566 BLAKE2B 1ab731c3fb151ce777ad4e2c8c653e5e08c2e97795dae06185d9d92248d4435aae67e1cfa23efb9b0b90ee44183ca69b92c64cb2b6d2c338388bde1fea07d232 SHA512 7bda930945c4b51c33de9918941797a4336020b475f3999a81055bb0b2a080f81e823c6bde43cc445a113e78f5667939bce5da64ccd650e8e9b15646f84ae105
-DIST llvm-project-18.1.0rc3.src.tar.xz 132011280 BLAKE2B 482a0e1b806292598bd646f225705140a463706ec391e4e42f203606b85673601a65fe55f2432d77f4c2f4c6584b35e53eeaded42e0b67aa6538c37d7cceb4ff SHA512 6c0adcf6e4057de8fb1dcd062845d14d725833d23d8e1362cbccab176931f55600a3971f01690179b795ff3feca0af9141b16dee4d4159755596cc9c904bf099
-DIST llvm-project-18.1.0rc3.src.tar.xz.sig 566 BLAKE2B dac9c174e2eeda5e0af0153d78a2e9c8f145efe03250582a27df1bd6a89ba70afdcfa1ed6aa46adb1f7f21077cadb6e43963758358ff17122c36781ee4018c05 SHA512 91a2778f9b66bc80172172f36d6027fb2455f3ffd03b06ad0dd376471c4d4e2e34c8bee69c76cfe95003ae34f0d28c394c7d135fbbb75686ff89aee56b6c45c3
-DIST llvm-project-18.1.0rc4.src.tar.xz 132041940 BLAKE2B 1379efd68f765a70e088ac356f69d792c210003c76b15f28b40273aa64825d7a7c7aa03d2d5016b2607626fd63f656ad88402506f23e836c72474be2032d3224 SHA512 3018a843f8e615ee0a4c742d5fafcc67eb6d6a40f81212ce045bdff7012b5acec006ee89c321baf59209daabe66b838709cdaed4e11a34c34b821cfdb77e8a61
-DIST llvm-project-18.1.0rc4.src.tar.xz.sig 566 BLAKE2B cc089aadc50d874b575c23b8c22a5472c8507acd3352786d3ac2ee0ec06f07e99eee81b94c6b5bdca569ccffa8b867eb2265b57d5d07b8ec31e3cfce89bf8fc1 SHA512 2ce82201b7c673884815898069f18cf1e4ab13a0a9ed535339d9c4132b7b0edb6b748b03499e383f8f0268d904589e6aebb9a204ef95d14f56a3fb9dca24571c
 DIST llvm-project-597f9761c3a5ba278fa930d2fac13f156287d505.tar.gz 206699707 BLAKE2B 5461426f02742cefe5ae7faeb7fed15628741e3fb41ca01ffb8159805f9b55d883d318e7c677e5bf348949b7d8e16e079df09d461abe9b32d804dcb284584fc5 SHA512 b06ae070bb197d18cb8653e290b85e8526cdab4aeb5a02c94295d489d271bd7cea637960b516937e0ba1d7ada29e734c8ea1137335d46756db54632dcdba93e9
-DIST llvm-project-60a904b2ad9842b93cc5fa0ad5bda5e22c550b7e.tar.gz 206511075 BLAKE2B 501924562c3e49eb921adcf3175d55ce0a47992b3b6b8b512ad8f1cc7b7e5f7bc3e2e278b7817c5924fdf8328f97be2f9c5037b1b6414d49e3b525739ecec6da SHA512 b05fcb4600645befb07f2da1efba463389df3fd1d9a26cb0e6ff9ab51edc2d8c5f51a9d44fe4b7f5f29d67cd4dbd15382fdf97f51ddc2c209196533c40611078
diff --git a/sys-libs/libcxx/libcxx-18.1.0_rc3.ebuild b/sys-libs/libcxx/libcxx-18.1.0_rc3.ebuild
deleted file mode 100644
index c205f3f21b57..000000000000
--- a/sys-libs/libcxx/libcxx-18.1.0_rc3.ebuild
+++ /dev/null
@@ -1,209 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-PYTHON_COMPAT=( python3_{10..12} )
-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
-}
-
-src_prepare() {
-	# hanging tests
-	# https://github.com/llvm/llvm-project/issues/73791
-	rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_* || die
-	rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.*_equals* || die
-
-	cmake_src_prepare
-}
-
-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_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-18.1.0_rc4.ebuild b/sys-libs/libcxx/libcxx-18.1.0_rc4.ebuild
deleted file mode 100644
index c205f3f21b57..000000000000
--- a/sys-libs/libcxx/libcxx-18.1.0_rc4.ebuild
+++ /dev/null
@@ -1,209 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-PYTHON_COMPAT=( python3_{10..12} )
-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
-}
-
-src_prepare() {
-	# hanging tests
-	# https://github.com/llvm/llvm-project/issues/73791
-	rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_* || die
-	rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.*_equals* || die
-
-	cmake_src_prepare
-}
-
-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_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-19.0.0_pre20240224.ebuild b/sys-libs/libcxx/libcxx-19.0.0_pre20240224.ebuild
deleted file mode 100644
index e29d57a316d3..000000000000
--- a/sys-libs/libcxx/libcxx-19.0.0_pre20240224.ebuild
+++ /dev/null
@@ -1,210 +0,0 @@
-# Copyright 1999-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-PYTHON_COMPAT=( python3_{10..12} )
-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
-}
-
-src_prepare() {
-	# hanging tests
-	# https://github.com/llvm/llvm-project/issues/73791
-	rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_* || die
-	rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.*_equals* || die
-
-	cmake_src_prepare
-}
-
-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
-}