sys-libs/libcxx: Bump to 13.0.1_rc2

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

2 files changed, 216 insertions, 0 deletions

diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 3e1261de5ede..d57caf939b14 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -2,8 +2,10 @@ DIST llvm-gentoo-patchset-11.1.0-1.tar.xz 4032 BLAKE2B e69138a422e315b31a3d9c11f
 DIST llvm-gentoo-patchset-12.0.1.tar.xz 5280 BLAKE2B 963d005bc7b636570be90eb841ac5bcaeb927538cc7de27683167111a17d6496677c7517de2ecfaf14b5d8ac22bad357be490b8a2ed9aba502fd5f447ecc99e9 SHA512 fc7c38e671555751650299c3a8bee44d5c7f26e11b68d5538c507fb7fe9ff2d349bdcd43bce90a448a747f082d523b3849d6bcda5e3ae2e998edcb926d6aa249
 DIST llvm-gentoo-patchset-13.0.0.tar.xz 5012 BLAKE2B 6760c78c086aaf6629143fd920b0a2c68cad9278628fbea8164dfeb59db95984a5b5d6b3505b510c697e8c95bf8d2be782c6b73c01622d52f2da9b07ecff39e0 SHA512 7764d49343b795b6bebae64f646ba27e3e6cc2a20b8a1aee645ce0d8474633c34acfbb73c08546fee415755dd4ea5a98c1d84db5e394cf5f4fc802eb61148ab6
 DIST llvm-gentoo-patchset-13.0.1-rc1.tar.xz 5988 BLAKE2B 8f1d295d4b6937518d9e0cc00cc2ba9e12ff9773b35261f0985b2d2a4ed1e3363a7f961cb385728b5ae552d0e129d99d11e63958d32c3353b0a79a88ba5cc0d5 SHA512 8272c423a5e0e99d412bb449794ba2e8134aca69d09e90e93555dbd3b7549d6ce4d68617ca11074af0a35a6f6830bf0330cbc672c5a56054cfd824e3ac1900ea
+DIST llvm-gentoo-patchset-13.0.1-rc2.tar.xz 5192 BLAKE2B 4a129a3d0b7c1839d79c814ea57602f5e87aadb9050fc8e91868d2c3773ff7ae8e2137f785deeded6925a4368220767526c95790c9883f2031edc3ebae25b13c SHA512 2f384281d06f5378f7d1b2f036958c7db00d1c4d799406fd188fa8388f0cf18279dae36f2fb37bff26daa91419ab1bc1c2390be0f3af42359f1aef8de81b6ac8
 DIST llvm-gentoo-patchset-9999-1.tar.xz 4032 BLAKE2B b9413484dafed8ae0c68c2c164b45fd07bb8d5d0898f03abe118fd2120ffcb1fb6c949de9649a97c2e8105f24b9d131a725c67c0a502ca4d4d192c1a0d65f49d SHA512 e64449eeaf756c5bd945109937b84ba4bd8a015222bd792d39cf3947871e87571a4ca57814790e51544cb05ad4c2d1f044e818e4caaac7c2e2a02cb1aa290fcc
 DIST llvmorg-11.1.0.tar.gz 122776532 BLAKE2B ca842ff4afff8f44c82b5e7383962a9c45ca1c93b64fa4c6ebcd70a1d3849dbad2b8e4e24fba02d144c6266d7fab3607ebc6999b28c229cb35256cf40f26a985 SHA512 9a8ce022a935eed42fa71a224f2a207122aadcbef58ee855fdb4825f879e7d028e4dcff22c19b9d336db1c8bf63fb84372d44981acf84615f757e54306c92b81
 DIST llvmorg-12.0.1.tar.gz 134259748 BLAKE2B f41de787bc73ff2edfda1b22cc8602be6f65f37dd9e4c8888533cfa8c3ccdcf4f108aaab9de23ab0ab987966eb160f2a553a0bdff99461e71ddd5bfcd086090d SHA512 6eb0dc18e2c25935fabfdfc48b0114be0939158dfdef7b85b395fe2e71042672446af0e68750aae003c9847d10d1f63316fe95d3df738d18f249174292b1b9e1
 DIST llvmorg-13.0.0.tar.gz 147270176 BLAKE2B 628f316b580e1edf3a58d4825b724df759e6ed2a4116802470c04562caefc392fa325c91f388036365a2e45a9595cca6d3557fab12984fc8bcfef29c9116d822 SHA512 8004c05d32b9720fb3391783621690c1df9bd1e97e72cbff9192ed88a84b0acd303b61432145fa917b5b5e548c8cee29b24ef8547dcc8677adf4816e7a8a0eb2
 DIST llvmorg-13.0.1-rc1.tar.gz 147284646 BLAKE2B 3a1d8d382de633b7f8fc998f8ad1e03c24b733aefc591615cbd34115d1d6d74962ae33bbf2224527b521a76930ffee425527225563a558a04173e9aa9487c781 SHA512 d487bfc9b898ad0046e0c94338d7757d8a05a1a84d683abfbc9ed4994c6d12caf88fd18575225e284070fc67b3ac0970ca6639e61b1a7cc2948b216a5364a22d
+DIST llvmorg-13.0.1-rc2.tar.gz 147304491 BLAKE2B 86b2c64e57e4aaab837229b25a95d5517ac077d22cf552d71ff6b996dbdbcd171ad51de7eb12d098b50a139beda4ace843727181a1c6978fc487215391e64a3a SHA512 0d890f3317504c8cef10e118b245e5a4c815cc19f07cbc511a66bde6c9b1f3d15c167942608a8987befe9115b24657d29f72305f9f2794385a7434b80167f40f
diff --git a/sys-libs/libcxx/libcxx-13.0.1_rc2.ebuild b/sys-libs/libcxx/libcxx-13.0.1_rc2.ebuild
new file mode 100644
index 000000000000..0e230df43a5d
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-13.0.1_rc2.ebuild
@@ -0,0 +1,214 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+CMAKE_ECLASS=cmake
+PYTHON_COMPAT=( python3_{8..10} )
+inherit cmake-multilib 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="+libcxxabi +libunwind static-libs test"
+REQUIRED_USE="libunwind? ( libcxxabi )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	libcxxabi? ( ~sys-libs/libcxxabi-${PV}[libunwind=,static-libs?,${MULTILIB_USEDEP}] )
+	!libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )"
+# llvm-6 for new lit options
+# clang-3.9.0 installs necessary target symlinks unconditionally
+# which removes the need for MULTILIB_USEDEP
+DEPEND="${RDEPEND}
+	>=sys-devel/llvm-6"
+BDEPEND="
+	test? (
+		>=dev-util/cmake-3.16
+		>=sys-devel/clang-3.9.0
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)"
+
+DOCS=( CREDITS.TXT )
+
+LLVM_COMPONENTS=( libcxx{,abi} llvm/{cmake,utils/llvm-lit} )
+LLVM_PATCHSET=${PV/_/-}
+llvm.org_set_globals
+
+python_check_deps() {
+	has_version "dev-python/lit[${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_pkg_setup
+	fi
+	use test && 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=libcxxabi
+		cxxabi_incs="${EPREFIX}/usr/include/libcxxabi"
+	else
+		local gcc_inc="${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() {
+	# we want -lgcc_s for unwinder, and for compiler runtime when using
+	# gcc, clang with gcc runtime (or any unknown compiler)
+	local extra_libs=() want_gcc_s=ON want_compiler_rt=OFF
+	if use libunwind; then
+		# work-around missing -lunwind upstream
+		extra_libs+=( -lunwind )
+		# if we're using libunwind and clang with compiler-rt, we want
+		# to link to compiler-rt instead of -lgcc_s
+		if tc-is-clang; then
+			local compiler_rt=$($(tc-getCC) ${CFLAGS} ${CPPFLAGS} \
+			   ${LDFLAGS} -print-libgcc-file-name)
+			if [[ ${compiler_rt} == *libclang_rt* ]]; then
+				want_gcc_s=OFF
+				want_compiler_rt=ON
+				extra_libs+=( "${compiler_rt}" )
+			fi
+		fi
+	elif [[ ${CHOST} == *-darwin* ]] && tc-is-clang; then
+		# clang-based darwin prefix disables libunwind useflag during
+		# bootstrap, because libunwind is not in the prefix yet.
+		# override the default, though, because clang based libcxx
+		# should never use gcc_s on Darwin.
+		want_gcc_s=OFF
+		# compiler_rt is not available in EPREFIX during bootstrap,
+		# so we cannot link to it yet anyway, so keep the defaults
+		# of want_compiler_rt=OFF and extra_libs=()
+	fi
+
+	# bootstrap: cmake is unhappy if compiler can't link to stdlib
+	local nolib_flags=( -nodefaultlibs -lc )
+	if ! test_compiler; then
+		if test_compiler "${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=(
+		-DLIBCXX_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=$(usex elibc_musl)
+		-DLIBCXX_HAS_GCC_S_LIB=${want_gcc_s}
+		-DLIBCXX_INCLUDE_TESTS=$(usex test)
+		-DLIBCXX_USE_COMPILER_RT=${want_compiler_rt}
+		-DLIBCXX_HAS_ATOMIC_LIB=${want_gcc_s}
+		-DLIBCXX_TARGET_TRIPLE="${CHOST}"
+		-DCMAKE_SHARED_LINKER_FLAGS="${extra_libs[*]} ${LDFLAGS}"
+	)
+
+	if use test; then
+		local clang_path=$(type -P "${CHOST:+${CHOST}-}clang" 2>/dev/null)
+		[[ -n ${clang_path} ]] || die "Unable to find ${CHOST}-clang for tests"
+
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags);--param=cxx_under_test=${clang_path}"
+			-DLIBCXX_LINK_TESTS_WITH_SHARED_LIBCXXABI=ON
+			-DPython3_EXECUTABLE="${PYTHON}"
+		)
+	fi
+	cmake_src_configure
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-cxx
+}
+
+# Usage: deps
+gen_ldscript() {
+	local output_format
+	output_format=$($(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 ( $@ )
+END_LDSCRIPT
+}
+
+gen_static_ldscript() {
+	local libdir=$(get_libdir)
+	local cxxabi_lib=$(usex libcxxabi "libc++abi.a" "libsupc++.a")
+
+	# Move it first.
+	mv "${ED}/usr/${libdir}/libc++.a" "${ED}/usr/${libdir}/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 ${cxxabi_lib} $(usex libunwind libunwind.a libgcc_eh.a)"
+	# On Linux/glibc it does not link without libpthread or libdl. It is
+	# fine on FreeBSD.
+	use elibc_glibc && deps+=" libpthread.a libdl.a"
+
+	gen_ldscript "${deps}" > "${ED}/usr/${libdir}/libc++.a" || die
+}
+
+gen_shared_ldscript() {
+	local libdir=$(get_libdir)
+	# libsupc++ doesn't have a shared version
+	local cxxabi_lib=$(usex libcxxabi "libc++abi.so" "libsupc++.a")
+
+	mv "${ED}/usr/${libdir}/libc++.so" "${ED}/usr/${libdir}/libc++_shared.so" || die
+	local deps="libc++_shared.so ${cxxabi_lib} $(usex libunwind libunwind.so libgcc_s.so)"
+
+	gen_ldscript "${deps}" > "${ED}/usr/${libdir}/libc++.so" || die
+}
+
+multilib_src_install() {
+	cmake_src_install
+	if [[ ${CHOST} != *-darwin* ]] ; then
+		gen_shared_ldscript
+		use static-libs && gen_static_ldscript
+	fi
+}
+
+pkg_postinst() {
+	elog "This package (${PN}) is mainly intended as a replacement for the C++"
+	elog "standard library when using clang."
+	elog "To use it, instead of libstdc++, use:"
+	elog "    clang++ -stdlib=libc++"
+	elog "to compile your C++ programs."
+}