sys-libs/libcxxabi: Add 18.0.0_pre20231019 snapshot

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

2 files changed, 116 insertions, 0 deletions

diff --git a/sys-libs/libcxxabi/Manifest b/sys-libs/libcxxabi/Manifest
index cdb85c1e880f..ce67cad96b48 100644
--- a/sys-libs/libcxxabi/Manifest
+++ b/sys-libs/libcxxabi/Manifest
@@ -7,3 +7,4 @@ DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43
 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-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
+DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
diff --git a/sys-libs/libcxxabi/libcxxabi-18.0.0_pre20231019.ebuild b/sys-libs/libcxxabi/libcxxabi-18.0.0_pre20231019.ebuild
new file mode 100644
index 000000000000..7b2c36768873
--- /dev/null
+++ b/sys-libs/libcxxabi/libcxxabi-18.0.0_pre20231019.ebuild
@@ -0,0 +1,115 @@
+# 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="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"
+IUSE="+clang +static-libs test"
+REQUIRED_USE="test? ( clang )"
+RESTRICT="!test? ( test )"
+
+# in 15.x, cxxabi.h is moving from libcxx to libcxxabi
+RDEPEND+="
+	!<sys-libs/libcxx-15
+"
+DEPEND="
+	${RDEPEND}
+	sys-devel/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		sys-devel/clang:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+	test? (
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=( runtimes libcxx{abi,} llvm/cmake cmake )
+LLVM_TEST_COMPONENTS=( llvm/utils/llvm-lit )
+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
+}
+
+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
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
+		-DPython3_EXECUTABLE="${PYTHON}"
+		-DLLVM_ENABLE_RUNTIMES="libcxxabi;libcxx"
+		-DLLVM_INCLUDE_TESTS=OFF
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+		-DLIBCXXABI_ENABLE_SHARED=ON
+		-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
+		-DLIBCXXABI_INCLUDE_TESTS=$(usex test)
+		-DLIBCXXABI_USE_COMPILER_RT=${use_compiler_rt}
+
+		# upstream is omitting standard search path for this
+		# probably because gcc & clang are bundling their own unwind.h
+		-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
+
+		-DLIBCXX_LIBDIR_SUFFIX=
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_CXX_ABI=libcxxabi
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+		-DLIBCXX_HAS_GCC_S_LIB=OFF
+		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
+		-DLIBCXX_INCLUDE_TESTS=OFF
+	)
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+			-DPython3_EXECUTABLE="${PYTHON}"
+		)
+	fi
+	cmake_src_configure
+}
+
+multilib_src_compile() {
+	cmake_build cxxabi
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-cxxabi
+}
+
+multilib_src_install() {
+	DESTDIR="${D}" cmake_build install-cxxabi
+}