2 files changed, 207 insertions, 0 deletions
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 79a944f930f2..4d1e3f66505b 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -5,12 +5,15 @@ DIST llvm-project-14.0.6.src.tar.xz.sig 566 BLAKE2B cb658ad43d8ab6c43a5773aedadf
 DIST llvm-project-14f996dca8a2b5b17d6917528bfd9ee71ba6192a.tar.gz 169054148 BLAKE2B a23af6658a6ea8a7cb4272faef151937da229e39383ec068d7ef81e72a25d2a46dc2a86255a7f1148b7385b339d1c17e62f627df834d8eccc39be8921575f88d SHA512 e719d296016e7af718d022424c337a5df8d7124fdb49b9f219ab2a5dc592e6a59f6c09064775ea9349bcf4eed9d72214abb648de649ab872174c35635c945c04
 DIST llvm-project-15.0.3.src.tar.xz 112069972 BLAKE2B 3d29bab890467ba87fedcc4e76522f444e63e3dfbe546793f8e67821bcd403bad460ea176254c9e0b72d60ea56b8480e498a7f610477c1108732d178804c26cd SHA512 d378d417f01c56534f301cfe6cb4958d811c04ae22acaacc917e7e5f0380859d40ce19dffb265d046b70fff95dbc2e759f492e4d5af0ade52f21ebaa8da65856
 DIST llvm-project-15.0.3.src.tar.xz.sig 438 BLAKE2B e7e0614e144eb878f694c12e97cf42ff8476e47cb55e8f259eb2ec52e303463ad753771271512e89baf0137c1382b11cfa028c85324174ebcd054a124000f537 SHA512 41229bebdb0c2df9a5e3a4d6f02d39fac7dc91f21895a659523beab4fa3ef99ff06eff5e4386221369b6e2b6f8fe974d67b7d8496d5911ce484d09ae0db8b916
+DIST llvm-project-15.0.4.src.tar.xz 110936424 BLAKE2B a02b76ad161e352b4d3d84baffdada9c6a0e704de7a2c4017df4d4d05a9e9d02113791cd7d91c3edfa1f5bcb7ab95e1772d60f7061514928c6828600f41a8322 SHA512 9d5b664dd77c08130601636f9d6c006b257f369470ce823aa56d06698a9f0edfec42f2c90da934b9ad52c4d7960d9a024ea46dc9640275be6d191b1ba9869459
+DIST llvm-project-15.0.4.src.tar.xz.sig 566 BLAKE2B f1a7be65fcce932dc125ae2b498f68a14e68dad0d7a1e031343c52c5dafb7b123e346f3efa50a7693584361abf01efe9401b1b5781dee6b92dc1045e538e9b7b SHA512 35899ffbd13fc44cade54246a423450571cb4b62b8d706864daa3eef2377c48e24ef3113218e39e29de995b7f7fa307f9187552766576c9050fd924beb517f6e
 DIST llvm-project-b34ea582774c057d9bf5591174d683fd3d8aa02b.tar.gz 169735900 BLAKE2B d3a82a07f855b038071fc8eb3f41a88b4c220a577219985ecddeb9a535ea8b159dbad575699997d90a49db74c074b5f4354ad707e91d6934daaa7319e0d8ee9b SHA512 3f5525c7d893bdac701cff4cf82dafc31608920d788d9b7401654f320b2432528cf4ae8ef013182807b3dc0c5b758c71f1efeedb672dd47fdb8aa6f434dfb583
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
 EBUILD libcxx-13.0.1.ebuild 6768 BLAKE2B 71b0f62e35538d718d99e3d43447f98752933868d999bf831969a6940d3a817452789c2044e9ca3bb4d5d1f0c2976fc276c4d10cb018c44e0cc6109095d9c6d6 SHA512 a12023fa135a7945e8088b34421f575cab32bb8ac53f1aeaa61bcf2a7b9fe045a6e21efba168056ef47b165ef3100e382100f910c84dee972017de6355d2e9c0
 EBUILD libcxx-14.0.6.ebuild 6948 BLAKE2B 203e04f4e2603ec0b8e3cd672ca2458c971e4ec3c1d24ea65f85db143561d349d9b7e4b4a58f7c57f5c0caa519e5a79f99f0a76c404aeba47b0bcc683adcb572 SHA512 c1a353dd558c68d439ab66e089e26993e66f1729f7879912413531bbd89318338649dccde1f84a32784de380997d2611d6b7cf86841feb47c3c0c8d67bfe28df
 EBUILD libcxx-15.0.3.ebuild 5282 BLAKE2B ba94798b5c17bc0c0ce2f738c9d6cbd910bcfd79d4ee889dfdab3f5dc83b617838c294e0bb44946f1a84f74c2a8e8c290023782483bc4295cda37504b2f9d0d3 SHA512 a34cbd572bbe5911df12a5ae25e0fc999b95b0bef35e8e52523f9ab70b54818e9a10100f0a14c277ad8fada69ae8896019be430b586b0bb3dde1c8cb3a9e1d68
 EBUILD libcxx-15.0.4.9999.ebuild 5238 BLAKE2B bf9c8df5c949f999fdcfad82deb548231c5ef16c25b55c76fcdf3e8fa2e5c3be90fd6ceb4c747fb639de46ef2d192b7317ebf435dfcff44ba9ca5956e59012cf SHA512 519779336613cd1110194d8a7768d2e8c3f286c7ad72da87937bae694f1830dcbec686e2b8afa212b29a3d3406a504fc903e09599a4dc7c99f277ee8f5193a1c
+EBUILD libcxx-15.0.4.ebuild 5286 BLAKE2B 6de2e2e79fdaa428d3b8a3aa667168cd99725c718e1ddfbd2cb4e2d07d263a6a0a5af17f57d3c91e914c2c15183592c643de4fa8fff7df6ffb3674d7f811bc9d SHA512 e17d1c1777dff3c4f7a3608ddcb6194b652cebd2f99f4a93a87041c6d2a1d58840f823c1befc7d262ec2d7f9cb5d097d0b542faddbf509cd16965ecc78a9462e
 EBUILD libcxx-16.0.0.9999.ebuild 5238 BLAKE2B bf9c8df5c949f999fdcfad82deb548231c5ef16c25b55c76fcdf3e8fa2e5c3be90fd6ceb4c747fb639de46ef2d192b7317ebf435dfcff44ba9ca5956e59012cf SHA512 519779336613cd1110194d8a7768d2e8c3f286c7ad72da87937bae694f1830dcbec686e2b8afa212b29a3d3406a504fc903e09599a4dc7c99f277ee8f5193a1c
 EBUILD libcxx-16.0.0_pre20221016.ebuild 5238 BLAKE2B bf9c8df5c949f999fdcfad82deb548231c5ef16c25b55c76fcdf3e8fa2e5c3be90fd6ceb4c747fb639de46ef2d192b7317ebf435dfcff44ba9ca5956e59012cf SHA512 519779336613cd1110194d8a7768d2e8c3f286c7ad72da87937bae694f1830dcbec686e2b8afa212b29a3d3406a504fc903e09599a4dc7c99f277ee8f5193a1c
 EBUILD libcxx-16.0.0_pre20221023.ebuild 5238 BLAKE2B bf9c8df5c949f999fdcfad82deb548231c5ef16c25b55c76fcdf3e8fa2e5c3be90fd6ceb4c747fb639de46ef2d192b7317ebf435dfcff44ba9ca5956e59012cf SHA512 519779336613cd1110194d8a7768d2e8c3f286c7ad72da87937bae694f1830dcbec686e2b8afa212b29a3d3406a504fc903e09599a4dc7c99f277ee8f5193a1c
diff --git a/sys-libs/libcxx/libcxx-15.0.4.ebuild b/sys-libs/libcxx/libcxx-15.0.4.ebuild
new file mode 100644
index 000000000000..8b5e382b8889
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-15.0.4.ebuild
@@ -0,0 +1,204 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+inherit cmake-multilib flag-o-matic llvm llvm.org python-any-r1 \
+	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"
+KEYWORDS="~amd64 ~arm ~arm64 ~riscv ~sparc ~x86 ~x64-macos"
+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-util/cmake-3.16
+		sys-devel/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() {
+	# Darwin Prefix builds do not have llvm installed yet, so rely on
+	# bootstrap-prefix to set the appropriate path vars to LLVM instead
+	# of using llvm_pkg_setup.
+	if [[ ${CHOST} != *-darwin* ]] || has_version dev-lang/llvm; then
+		LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	fi
+	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() {
+	# 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=${use_compiler_rt}
+	)
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${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
+}