2 files changed, 124 insertions, 0 deletions
diff --git a/sys-libs/libcxxabi/Manifest b/sys-libs/libcxxabi/Manifest
index 23bb7af47e1b..743ab9d8e74a 100644
--- a/sys-libs/libcxxabi/Manifest
+++ b/sys-libs/libcxxabi/Manifest
@@ -4,3 +4,4 @@ DIST llvmorg-12.0.1.tar.gz 134259748 BLAKE2B f41de787bc73ff2edfda1b22cc8602be6f6
 DIST llvmorg-13.0.0-rc2.tar.gz 147267736 BLAKE2B 153bf7320f2aa911112d366ffc79f7110cb04f135c2a8b176c263f0a75eb768206d9bd462893d45504b0e58aa9e127fdcafb02300eab1666e4616aa654d457dd SHA512 a01baf3eaa02f02af42bfcf6dcf24f166351bf1c09601495617c81e41def23210573bad40a344270f40c5deb881d06863536abac2a6481930766a6a56335fb44
 DIST llvmorg-13.0.0-rc3.tar.gz 147281901 BLAKE2B 640065a2f32dc48edf084d776cb6b950fae86c2a204999e2eec67f93b57615df40adec19785099b0ef2fe11837c3304794ec3585289a5b5051a557618c63c749 SHA512 1401d5a4d6bb5c930d74b9cfbc8e792872f721aab7d7f0c819e2ba5cf47fb818d160c1f71784fba69827f3c9b7414aa91a585d2b813c1851b4799f9d62cebc46
 DIST llvmorg-13.0.0-rc4.tar.gz 147286367 BLAKE2B a43c54b8bb379b0374f99ae07066d7ba4ae2a83dfdb61390101c736f91dc44aa07a88778551aaaf903033562b2a0a863ea6b27392b700c9cddc74e2c7899cad1 SHA512 8ccaaea21ec4fe3c4b4446d3a7cae36a47ed196f407d341da45824bcefefffd3c412c0c5c27670ceaba1458bc53107273f9d3aec2de261b6b82c6d209b45b14d
+DIST llvmorg-13.0.0.tar.gz 147270176 BLAKE2B 628f316b580e1edf3a58d4825b724df759e6ed2a4116802470c04562caefc392fa325c91f388036365a2e45a9595cca6d3557fab12984fc8bcfef29c9116d822 SHA512 8004c05d32b9720fb3391783621690c1df9bd1e97e72cbff9192ed88a84b0acd303b61432145fa917b5b5e548c8cee29b24ef8547dcc8677adf4816e7a8a0eb2
diff --git a/sys-libs/libcxxabi/libcxxabi-13.0.0.ebuild b/sys-libs/libcxxabi/libcxxabi-13.0.0.ebuild
new file mode 100644
index 000000000000..4c3c7882da70
--- /dev/null
+++ b/sys-libs/libcxxabi/libcxxabi-13.0.0.ebuild
@@ -0,0 +1,123 @@
+# Copyright 1999-2021 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="Low level support for a standard C++ library"
+HOMEPAGE="https://libcxxabi.llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~riscv ~x86 ~x64-macos"
+IUSE="+libunwind static-libs test elibc_musl"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	libunwind? (
+		|| (
+			>=sys-libs/libunwind-1.0.1-r1[static-libs?,${MULTILIB_USEDEP}]
+			>=sys-libs/llvm-libunwind-3.9.0-r1[static-libs?,${MULTILIB_USEDEP}]
+		)
+	)"
+# llvm-6 for new lit options
+DEPEND="${RDEPEND}
+	>=sys-devel/llvm-6"
+BDEPEND="
+	test? ( >=sys-devel/clang-3.9.0
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)"
+
+LLVM_COMPONENTS=( libcxx{abi,} llvm/cmake )
+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 [[ ${CHOST} != *-darwin* ]] || has_version dev-lang/llvm; then
+		llvm_pkg_setup
+	fi
+	use test && python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+	# we need a configured libc++ for __config_site
+	wrap_libcxx cmake_src_configure
+	wrap_libcxx cmake_build generate-cxx-headers
+
+	# link against compiler-rt instead of libgcc if we are using clang with libunwind
+	local want_compiler_rt=OFF
+	if use libunwind && tc-is-clang; then
+		local compiler_rt=$($(tc-getCC) ${CFLAGS} ${CPPFLAGS} \
+			${LDFLAGS} -print-libgcc-file-name)
+		if [[ ${compiler_rt} == *libclang_rt* ]]; then
+			want_compiler_rt=ON
+		fi
+	fi
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		-DLIBCXXABI_LIBDIR_SUFFIX=${libdir#lib}
+		-DLIBCXXABI_ENABLE_SHARED=ON
+		-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
+		-DLIBCXXABI_USE_LLVM_UNWINDER=$(usex libunwind)
+		-DLIBCXXABI_INCLUDE_TESTS=$(usex test)
+		-DLIBCXXABI_USE_COMPILER_RT=${want_compiler_rt}
+
+		-DLIBCXXABI_LIBCXX_INCLUDES="${BUILD_DIR}"/libcxx/include/c++/v1
+		# upstream is omitting standard search path for this
+		# probably because gcc & clang are bundling their own unwind.h
+		-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
+	)
+	if use test; then
+		local clang_path=$(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}"
+			-DPython3_EXECUTABLE="${PYTHON}"
+		)
+	fi
+	cmake_src_configure
+}
+
+wrap_libcxx() {
+	local -x LDFLAGS="${LDFLAGS} -L${BUILD_DIR}/$(get_libdir)"
+	local CMAKE_USE_DIR=${WORKDIR}/libcxx
+	local BUILD_DIR=${BUILD_DIR}/libcxx
+	local mycmakeargs=(
+		-DLIBCXX_LIBDIR_SUFFIX=
+		-DLIBCXX_ENABLE_SHARED=OFF
+		-DLIBCXX_ENABLE_STATIC=ON
+		-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF
+		-DLIBCXX_CXX_ABI=libcxxabi
+		-DLIBCXX_CXX_ABI_INCLUDE_PATHS="${S}"/include
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+		-DLIBCXX_HAS_GCC_S_LIB=OFF
+		-DLIBCXX_INCLUDE_TESTS=OFF
+	)
+
+	"${@}"
+}
+
+multilib_src_test() {
+	wrap_libcxx cmake_src_compile
+	mv "${BUILD_DIR}"/libcxx/lib/libc++* "${BUILD_DIR}/$(get_libdir)/" || die
+
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-cxxabi
+}
+
+multilib_src_install_all() {
+	insinto /usr/include/libcxxabi
+	doins -r include/.
+}