2 files changed, 206 insertions, 0 deletions
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 291bae9233a9..9720e91aabd8 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -9,6 +9,7 @@ DIST llvm-project-16.0.5.src.tar.xz 118000368 BLAKE2B 9f84e6bab450dc8d6379771afb
 DIST llvm-project-16.0.5.src.tar.xz.sig 566 BLAKE2B 4c96f294f350e0086f8504a54c3387308c60efb573c8def40aec45b1918d43e36c44bafb0823625b6cefa5d99b3aacd7823d6c92c7a64a737653d5b51839a924 SHA512 4550c7c6a1b6ea603d1499aba5aca746f3948a00e7567604f5e7dc3b215a34357bad382a7ebea1f6cd7952841cb75a0dfbe2c278a8c6fcb630a5035b3e16e869
 DIST llvm-project-16.0.6.src.tar.xz 118013488 BLAKE2B 95192d39cbd2914e5609db365965f1c00bfea6c2d653b3996bd2acef8a2b37e37f6fc8a9d2b65711ad72657e0ef52c42f733053cf65051e7822f27396c30406d SHA512 89a67ebfbbc764cc456e8825ecfa90707741f8835b1b2adffae0b227ab1fe5ca9cce75b0efaffc9ca8431cae528dc54fd838867a56a2b645344d9e82d19ab1b7
 DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43dfd4b921649298b10c3d19da308374c1e49869174294e29943c2af459fe06428264e26881d6c1288ebbc48686cc2cf467c7a SHA512 ca249262c7102e0889ec1bdc6f71a3a6f0e7e5d5fbab8abcd6fccd2871e7955eff7af5b055a76006097baf0dfaf2f5069eff3035b3107fc552abdb2481b21447
+DIST llvm-project-5ae7fde004cbc640c2f60207791ac36574e5f5c6.tar.gz 193410766 BLAKE2B 50287f1ad41a895040934f8f19fd8aa2e91065b930ab14125dbbc3977273655d11482b6229577c11a8ad2bdd854ca109449b603bbc2e30cee20e95e4fe11e8b7 SHA512 f24f7a3b0661d2d4533b24c295c114817aff22c8f1d473ffa639cee547d31502719f8e1be4f25b970d450ecb9dcaa809c0e12b1bb380774f52cda82a4769d7bc
 DIST llvm-project-d32fb5e5f51dedba495301073b9250f84ac6d8a8.tar.gz 193280254 BLAKE2B 31473bee900caa45c816a020113d7b6bf6e6e2db4848fa529bc622fbf2956487ab89b04d1624e7e1530e9aa56293361e01b9fde31912b2a08194398a11db8b63 SHA512 5799e106403a3954767afafac515112ec9f6505c02abb502e21a5d7019e1079912939803e95177d91678d2e28e07a12b33ceabb13e90696da13a3613a16f2396
 EBUILD libcxx-14.0.6.ebuild 6949 BLAKE2B 963ece6dbc81f876b8894dd2be0ab4fd5e555dcd09feaf014e30411150f43c9f401910741ded4ecaa05d35f0a2bcf3eb7ce519d4019f464075c31db0c9b6523c SHA512 4c73189a6b719bb10527000b30b83c8811aa462d51bc51bd5b2ff703184e01d8805f0b998479116a39e878ef7486c14e2bfef62bd62b1a20718906eb778a0228
 EBUILD libcxx-15.0.7-r1.ebuild 5307 BLAKE2B 43ff3b320e3050127edf77b51afdb77f25c1dc8826c6b29e8a72f809479df78c661aa2882e6fa9459dd360b379d2a6bbd31d910942d40e49199feafa807a6f4a SHA512 be7372fa0a81a45a55e5896ca507e6a4c29e14f4f152154f43529fcb12c8a96ca0c620b432c1481e8c41bb588d4d3f3c479fb9c7ba2483e53881ffcd9ca7004e
@@ -17,4 +18,5 @@ EBUILD libcxx-16.0.5.ebuild 5293 BLAKE2B 66a30709936600523c0969f08f4c01a78e63160
 EBUILD libcxx-16.0.6.ebuild 5315 BLAKE2B ed8db152e659637eceae54a443b583f8ce1a816c146a1ec4b1827dca8bc1ad94d3612cd754b76df2dbd9cfbc3f65baca32b08894f4ce050d7a17a1f4da1a82fe SHA512 75cc0be3cd1307ff7b88db1cda6fddf0022639905fde4ee4a520397a2706dfec4e638326965233b8ad7baa5d07fb8293f9c2e9f9256de56618d6e738c6eaf3fb
 EBUILD libcxx-17.0.0.9999.ebuild 5240 BLAKE2B 7ce22eb9d304f6cd0e56c08c017e03a94293ab9ba34b3e9a6ee91e85b92a96e4320294500b1886a0b667ba10dd40d07bc9bbdcac9b72a00bb14afaa48fa757a4 SHA512 6e33b0c4c01c17f93057e0af3c1aca7910d5ddc4a727e03a1320efe91926e9476901ef012063a5424e2a2e4b7049101ba8bc1946e1055a9133796e2e127bdab7
 EBUILD libcxx-17.0.0_pre20230630.ebuild 5240 BLAKE2B 7ce22eb9d304f6cd0e56c08c017e03a94293ab9ba34b3e9a6ee91e85b92a96e4320294500b1886a0b667ba10dd40d07bc9bbdcac9b72a00bb14afaa48fa757a4 SHA512 6e33b0c4c01c17f93057e0af3c1aca7910d5ddc4a727e03a1320efe91926e9476901ef012063a5424e2a2e4b7049101ba8bc1946e1055a9133796e2e127bdab7
+EBUILD libcxx-17.0.0_pre20230705.ebuild 5240 BLAKE2B 7ce22eb9d304f6cd0e56c08c017e03a94293ab9ba34b3e9a6ee91e85b92a96e4320294500b1886a0b667ba10dd40d07bc9bbdcac9b72a00bb14afaa48fa757a4 SHA512 6e33b0c4c01c17f93057e0af3c1aca7910d5ddc4a727e03a1320efe91926e9476901ef012063a5424e2a2e4b7049101ba8bc1946e1055a9133796e2e127bdab7
 MISC metadata.xml 718 BLAKE2B 3cc1e43a6f1ada368cfc0bf8aaf49007f6792062b684ab9299b5180d778b158325b6931169b52dd14e85ae9ad6dc1a03be323b814fb920fe8434ad86425d699c SHA512 c2cef3e481c0c3db7de6de8c0a5aff42a1e7fe81155d99f1f0f0988f6d5ca041f787a27a2dde0073037d59e082e2f6da7eefe1303f1c1837ebc12e8e0d28729f
diff --git a/sys-libs/libcxx/libcxx-17.0.0_pre20230705.ebuild b/sys-libs/libcxx/libcxx-17.0.0_pre20230705.ebuild
new file mode 100644
index 000000000000..93b4473e8546
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-17.0.0_pre20230705.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=""
+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
+}