2 files changed, 207 insertions, 0 deletions
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 4ab800fa76f1..ce4b843d267a 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -4,12 +4,15 @@ DIST llvm-project-14.0.6.src.tar.xz 105618228 BLAKE2B ee67c5407df8cef493b9c0004f
 DIST llvm-project-14.0.6.src.tar.xz.sig 566 BLAKE2B cb658ad43d8ab6c43a5773aedadf0569c97b5ee4b1bd58eceb10e1879a30880c741c3d66bedd462c892309b688fb7b2673115a62d1f74d71ee375a578de9547f SHA512 b4a7b368532a7a4a24376cfa7db8f6d3478f6d4446474342fc00b474ecf466330cd0f16783209263c4c72d5fc7ddedfb11b95578842e700cfb7ee0bb34cc95d6
 DIST llvm-project-15.0.6.src.tar.xz 112074576 BLAKE2B 74b1aa967c95191fa492f06b3a21930842da0ccbd9995dd33b4c2cf07852bbedcae97041fd5966209b16c63b90c87cc02fb2e858eda13dd9cc0641edcede0f75 SHA512 3311d85f4e02610af52f06e83c8c6d2b93950d24324b831b7afc47c39a20a546d39683a14e1a315da87d226379042de900a3f36a0351053547482af9035ab949
 DIST llvm-project-15.0.6.src.tar.xz.sig 438 BLAKE2B 3c97dbd55667f52dad964ef71257c36e3075794f5616cfd46de8bf874867e861bf45c0d56cff2d0ad5d4f1b5a1c9b3a395aedcc40bce545ce7f3c84ac75ae3da SHA512 a184103d84f8197a709c6c067fa83ca9290cd06532c487ad2c1fefa423438a1ac3c7f88835a94e3c9f04876e8d5f09afabef15bd8605df38aec6a4118597090c
+DIST llvm-project-15.0.7.src.tar.xz 110936452 BLAKE2B f3d277e2029157329e5be78b78af36b0826a1dfd9a337992499bf701e33149665bfc47d5e14978e38f342559629a559f8b2ce328705ba34fdf6830f5ae9721a5 SHA512 4836d3603f32e8e54434cbfa8ef33d9d473ac5dc20ebf9c67132653c73f4524931abd1084655eaee5f20bcfcb91bcc4bbc5c4a0b603ad0c9029c556e14dc4c52
+DIST llvm-project-15.0.7.src.tar.xz.sig 566 BLAKE2B 47dc8c82d86237b80c6d85f83a6c9a6e9e174cf8e7f367b071e0cd9481d7cd408e991337c5624e07f3f370f26387c814f212808575ed1c1b58404d3e3836b7df SHA512 fc6891b440dd1175eb8df3790590af8d36bc92301660f84744ae15123475aeb900a151e6a8e7998ded27ec4d86871903ad0b89cd61164943054c2e3bc8d8beb2
 DIST llvm-project-6dc85bd3fde7df2999fda07e9e9f2e83d52c6125.tar.gz 175208511 BLAKE2B cf87cf7e9bf7c74aab8ccda0f153369cb81798047fdd48025c3c7030857b128babbaafb667385a5c8e9916e16038b14fee39f1623d329471e73c39c2f2d7bbfa SHA512 e6dc0cacd6c079be8a00364e4c244782d764d9a8d514d65f9078427cb4a0c1663ff88761bfbc1e955a1a990451439110497c2cb7af7f56b2c91f2e9db4389894
 DIST llvm-project-b20dd2b186fdc76828219b705a2b58f5830f4b9d.tar.gz 175044630 BLAKE2B f9a955e8413b57067fb697792316fb0c1e3eac00b1af208ba5d29db01a9acc96b88c7edca12c43762b1425c71a716a7c74d5d7edad45a442f32ba73f88f548b6 SHA512 5133c32d7856c8280bfeb47c3e5a9c0d8c1c291aad29af93586523110f95b08e582ff416fc6be02241eabfe80c35ad4f0334de5ead2a41bc6504616b1c6fd15a
 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-15.0.6.ebuild 5281 BLAKE2B c8f91ffb2101c63241eb9a0dcb22c933daa2bdb2423ee53cf8bffccd674504a871ad96c6d6808d7e128fe8e9dd5098aa4c735d13b8e466ea2dbe2f2615e26e6f SHA512 2f81809d3ce82c9f0cf66ded512f04544722e198528d373880231bfc8467f9bbc7a15b86950cf3f32594052b72a82d99de016ad1c7d8b88279759c6d9ed6e828
+EBUILD libcxx-15.0.7.ebuild 5286 BLAKE2B c6304ec195c693696c1594771c1c5b0cb4408f90d249be38221c92ed9b1f9c65453fc396e5064b1becd972b065ccac427c7229be950d08bd4f03d36d5494e4c9 SHA512 6b8ef78939ad4948660ab4c172b29ec955ad87a0a1b1748bbb741b78e0fa71c06b46f48c264c607416cec1eaeef4eefb3c98bd1e65940cadec949470765e21e1
 EBUILD libcxx-16.0.0.9999.ebuild 5238 BLAKE2B bf9c8df5c949f999fdcfad82deb548231c5ef16c25b55c76fcdf3e8fa2e5c3be90fd6ceb4c747fb639de46ef2d192b7317ebf435dfcff44ba9ca5956e59012cf SHA512 519779336613cd1110194d8a7768d2e8c3f286c7ad72da87937bae694f1830dcbec686e2b8afa212b29a3d3406a504fc903e09599a4dc7c99f277ee8f5193a1c
 EBUILD libcxx-16.0.0_pre20230101.ebuild 5244 BLAKE2B 5029ea52576afa4fe238258dfc0cf4ae75428e0635e91e344e8c3e53a8ae08d6f201c3075b1bac32f6bf36b9877762e988ef550d6e5ae94511a1f56dcba1dce9 SHA512 e5a600b76ec90af215e51b529df30c9b119c1906402add03af1581a219e1ffd83398c1066c72fc5bc13a759c6ab04b75eb7f9e920c2856721b88a9ee33e41deb
 EBUILD libcxx-16.0.0_pre20230107.ebuild 5244 BLAKE2B 5029ea52576afa4fe238258dfc0cf4ae75428e0635e91e344e8c3e53a8ae08d6f201c3075b1bac32f6bf36b9877762e988ef550d6e5ae94511a1f56dcba1dce9 SHA512 e5a600b76ec90af215e51b529df30c9b119c1906402add03af1581a219e1ffd83398c1066c72fc5bc13a759c6ab04b75eb7f9e920c2856721b88a9ee33e41deb
diff --git a/sys-libs/libcxx/libcxx-15.0.7.ebuild b/sys-libs/libcxx/libcxx-15.0.7.ebuild
new file mode 100644
index 000000000000..f9c12b0b1970
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-15.0.7.ebuild
@@ -0,0 +1,204 @@
+# Copyright 1999-2023 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
+}