sys-libs/libcxxabi: Add 20.0.0_pre20241113 snapshot

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

2 files changed, 110 insertions, 0 deletions

diff --git a/sys-libs/libcxxabi/Manifest b/sys-libs/libcxxabi/Manifest
index 0e2a32e0bbc9..b12955b6eb22 100644
--- a/sys-libs/libcxxabi/Manifest
+++ b/sys-libs/libcxxabi/Manifest
@@ -10,3 +10,4 @@ DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b8577
 DIST llvm-project-19.1.3.src.tar.xz 141247864 BLAKE2B 4ccb30accd632a7d54eb065b724ff81ec8a50380fa527111d58acd728eecb798d42f680119b6d1cbc980523e2f39220921ca1f530daa7afea05ab27436dedb7e SHA512 0abaf158b373892d5afc184158600df17a0797547ad7238ca9018d6fcdd7310b0db803d158daa82a2e04bd42d9daebaa2c3e4b9024c0fa2df72a88596575df5c
 DIST llvm-project-19.1.3.src.tar.xz.sig 438 BLAKE2B 44717741ae13bb0c52382647352e52273d8401728dc5cc1cf0c11a8f08cd74b6e3d789e788793aad767030b36fdec62e3a05bdc0b7ff60556cec7ceac17fc239 SHA512 84ef22ee78dbaad4710becbcb02119d06063099f9102bb86f3cd44fbb7e2d87bafe239d8e0cbf22ab5a479f99a11a77125f22394d5006ed86262076ccbf1634d
 DIST llvm-project-3f4468faaa9525ad615118675c3c68938f4a8d5f.tar.gz 221860252 BLAKE2B 6c531df34163dc0879c79b029a13215d1bef2cd95bbaf4a6d5e10b81a8352236283d40f14b62e23a57cc1cf8edce138fb6e2720ced2397d6469c5863564c626d SHA512 4aa485f4547e210cf8f6f8147c4adab3e75afe77f1e4e1bc4718fe681b64bdcf8937f843964542f8ead90ceef52cc0fd4bd8275824d1a4c6961eddafc7d35115
+DIST llvm-project-c7df10643bda4acdc9a02406a2eee8aa4ced747f.tar.gz 222622409 BLAKE2B 8b6b53e0d51a681ec2e3ea1c873df95357e1333a598d26921c72f4ce05872aa5fe00a046bfe8811e2c8c1a2ffced7a325a0399bd931e54cf2aeb23abe887bde7 SHA512 e78219c87f001c813844ff652bf065f7c1d1bbf09af801ed1e99e9f40b981896bcee699d2ab15c71478388987c4030750a7958265d374b9f568fdf7af3dd3a21
diff --git a/sys-libs/libcxxabi/libcxxabi-20.0.0_pre20241113.ebuild b/sys-libs/libcxxabi/libcxxabi-20.0.0_pre20241113.ebuild
new file mode 100644
index 000000000000..13b5d3b6c275
--- /dev/null
+++ b/sys-libs/libcxxabi/libcxxabi-20.0.0_pre20241113.ebuild
@@ -0,0 +1,109 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
+inherit 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=( libc llvm/utils/llvm-lit )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+multilib_src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	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="${EPREFIX}"/usr/include
+		# this is broken with standalone builds, and also meaningless
+		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
+
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_CXX_ABI=libcxxabi
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(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
+}