2 files changed, 207 insertions, 0 deletions
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index f74db8edb915..cbd65914d1e8 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -9,6 +9,8 @@ DIST llvm-project-16.0.6.src.tar.xz 118013488 BLAKE2B 95192d39cbd2914e5609db3659
 DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43dfd4b921649298b10c3d19da308374c1e49869174294e29943c2af459fe06428264e26881d6c1288ebbc48686cc2cf467c7a SHA512 ca249262c7102e0889ec1bdc6f71a3a6f0e7e5d5fbab8abcd6fccd2871e7955eff7af5b055a76006097baf0dfaf2f5069eff3035b3107fc552abdb2481b21447
 DIST llvm-project-17.0.3.src.tar.xz 127843636 BLAKE2B 5331d9b545faab282a4caec9ee688d0f1e0615a56a26aa24d8f6fbbae10258e132d94634dab2f7bd69ada06bb28dc899730b9cd774a1086d7c03d5706de6d997 SHA512 44f37dea494a66a83c252e28d7d0517c3b2eed5b196565432dc663c7914bd66d665c8d13479e2776a14cac1905faf6972f986176722c053b58528570a6e68316
 DIST llvm-project-17.0.3.src.tar.xz.sig 438 BLAKE2B 045e7ca82c8d9b3f182e4fa331ec841b24777ac1888f10de435a389ae3a88172e0559a3fca0c2d37cc874464411ae50d7bc0d0829455149a8de8b953ef6c98c7 SHA512 95f9e6729074cfd71b0ffb21e423cd0fd87763268c24e0513f7afd6a85d08061658c44c03ea3ea3b6e3cc7051676d44c41a791e6905c8abb456d48a3762fc152
+DIST llvm-project-17.0.4.src.tar.xz 127828636 BLAKE2B bd91ef7f07e085b935500b056f75ab792d13e7f33825df36e85e7988f313a4f3fbb1b4c854615a5e437a97ad552838eb1be5098194f281ba1279330156dd6a38 SHA512 6703eede8013e7e5733fbd7b527757166d5698f52e239522fb320717430c88696309038501d22fe384b016b330bd92126a2c0ba88b0258c3f092801e3800b7a3
+DIST llvm-project-17.0.4.src.tar.xz.sig 438 BLAKE2B e417c14d0af8c2f13eccec7a42d0e4d5a6a834d7a3d31061b9f56f7e880cd982c2b1e84322bcf8f6a3d3167519c31f16c7acb8fc725ab5b453f467a196ca2688 SHA512 4e79bb1d2b41289c092d4ec2759d7cfd4f12df8d107f9510aa9e2354691e7f878e3929b2b50e29fd6c65bd5a3aa13baf6b791847c1cd99817adbf59700cf2bdd
 DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
 DIST llvm-project-a7700985577694d6cc2498833f27b4fb5eeaf252.tar.gz 199221825 BLAKE2B 047ab7c0e80e1dbbe61ebd9aaae17166665a33b5cb50beec6da2cc19bec9a16777b82c157e74f88b0678d843b200f292d696a964211a8e532f128491dc39a6e4 SHA512 b747210d53402ae01238fa82195fa5c1c8d1c832d976bcc996ef657ac54dacb2fb19521c6f080151e6b1af8a49ddfe58979afaa00b3f1f72dc664ac79b99a8bb
 DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
@@ -18,6 +20,7 @@ EBUILD libcxx-15.0.7.ebuild 5283 BLAKE2B 09c43241bab7e5015d3dae5466e49fb24337b87
 EBUILD libcxx-16.0.6.ebuild 5311 BLAKE2B 6ce4c5d11f98384867feb1832a13f790f5e7a447c7d2cbd0d80ac415744fd880b4812ae29f23e9359223a67632e4f6a49f084a429eb53d324afd18d2fb10992f SHA512 c9a9ec7632986467001614271e6d721d08e6a4edd433284900f65f209a053911f669dfe7c5a7d86ba6210d7daf9fad5b10fbc858317393826aece8956c6b652f
 EBUILD libcxx-17.0.3.ebuild 5296 BLAKE2B f6f2b7f309b6ca1441cf39df6409dcbd0eb4b21732aecb457c39f75ea4488da02fe0327f65f9d3444cb0ef0affd9044edf475089611c8674ae54c974fee15df9 SHA512 58ef159a46db7ddcb3fd4bdffcc9938a7ecea7a961ec047938219519f99924fb703d66aa9dcc1a0bb45940d897b3eeb8d18fb223181c6534c9535081dada4377
 EBUILD libcxx-17.0.4.9999.ebuild 5229 BLAKE2B 414044942632b1b9f0d0953c2e7a2f337a55a91b5510453040fcd769178fcfa073d64a2ce19eb0f75fd8a3b80fe1bd6cdb8054663781095768e017a675de93f7 SHA512 edd51b15343497111fd96b0e3b838982e0351debf15966b014b66a58d7b76c79fd76ca621f5c1ef8beccc5e697f2b7cd7e74a5a6da5b65d23c2cd54d9dce879b
+EBUILD libcxx-17.0.4.ebuild 5296 BLAKE2B f6f2b7f309b6ca1441cf39df6409dcbd0eb4b21732aecb457c39f75ea4488da02fe0327f65f9d3444cb0ef0affd9044edf475089611c8674ae54c974fee15df9 SHA512 58ef159a46db7ddcb3fd4bdffcc9938a7ecea7a961ec047938219519f99924fb703d66aa9dcc1a0bb45940d897b3eeb8d18fb223181c6534c9535081dada4377
 EBUILD libcxx-18.0.0.9999.ebuild 5229 BLAKE2B 414044942632b1b9f0d0953c2e7a2f337a55a91b5510453040fcd769178fcfa073d64a2ce19eb0f75fd8a3b80fe1bd6cdb8054663781095768e017a675de93f7 SHA512 edd51b15343497111fd96b0e3b838982e0351debf15966b014b66a58d7b76c79fd76ca621f5c1ef8beccc5e697f2b7cd7e74a5a6da5b65d23c2cd54d9dce879b
 EBUILD libcxx-18.0.0_pre20231013.ebuild 5229 BLAKE2B 414044942632b1b9f0d0953c2e7a2f337a55a91b5510453040fcd769178fcfa073d64a2ce19eb0f75fd8a3b80fe1bd6cdb8054663781095768e017a675de93f7 SHA512 edd51b15343497111fd96b0e3b838982e0351debf15966b014b66a58d7b76c79fd76ca621f5c1ef8beccc5e697f2b7cd7e74a5a6da5b65d23c2cd54d9dce879b
 EBUILD libcxx-18.0.0_pre20231019.ebuild 5229 BLAKE2B 414044942632b1b9f0d0953c2e7a2f337a55a91b5510453040fcd769178fcfa073d64a2ce19eb0f75fd8a3b80fe1bd6cdb8054663781095768e017a675de93f7 SHA512 edd51b15343497111fd96b0e3b838982e0351debf15966b014b66a58d7b76c79fd76ca621f5c1ef8beccc5e697f2b7cd7e74a5a6da5b65d23c2cd54d9dce879b
diff --git a/sys-libs/libcxx/libcxx-17.0.4.ebuild b/sys-libs/libcxx/libcxx-17.0.4.ebuild
new file mode 100644
index 000000000000..61280232d24e
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-17.0.4.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_{10..12} )
+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 ~loong ~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 [[ ${CHOST} != *-darwin* ]] || has_version sys-devel/llvm; then
+		LLVM_MAX_SLOT=${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
+}