llvm-runtimes/libcxxabi: Add 22.0.0_pre20250907 snapshot

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

2 files changed, 149 insertions, 0 deletions

diff --git a/llvm-runtimes/libcxxabi/Manifest b/llvm-runtimes/libcxxabi/Manifest
index a4bbd921e419..f5d097498587 100644
--- a/llvm-runtimes/libcxxabi/Manifest
+++ b/llvm-runtimes/libcxxabi/Manifest
@@ -13,4 +13,5 @@ DIST llvm-project-20.1.8.src.tar.xz 147242952 BLAKE2B 7657ac0b26acc5affb1bfc91b9
 DIST llvm-project-20.1.8.src.tar.xz.sig 566 BLAKE2B 85beedfcff1195a974fab2c667b9efd4b715b3480c1b44b1b887fe32c69f72aca0d3b8fb276c03b6cc5a866622f669047aeee5ccb976640b4008ccd31dce77a4 SHA512 d74369bdb4d1b82775161ea53c9c5f3a23ce810f4df5ff617123023f9d8ce720e7d6ecc9e17f8ebd39fd9e7a9de79560abdf2ffe73bcb907a43148d43665d619
 DIST llvm-project-21.1.0.src.tar.xz 158971856 BLAKE2B ac8c3cc8d2c986abcaa523acc872b01311ec118a738654f9cc53a1d5fdba70ba10cfe829e23f3913557e460403ed6a2df81cb5e9a435c8e1ce08e7ead3511bf0 SHA512 1487dcdc041dd6cdcffa6cc95a565e18a9fce2a73215671e366a9601cecce6c8bf70065df5564de5998d1841c3d8d829a9fbd2cad72e3aab4db279e8885ff446
 DIST llvm-project-21.1.0.src.tar.xz.sig 438 BLAKE2B c5731350bc7454867da18887628c0e87bf404589097034c7ddfffbeec277b900bd1fa49daabd41d4f8800a8ab76105bf7e910a99dd970819ab987373d4ed4ed9 SHA512 c3cd0a759e22a24f4307d8747b7986f966f4fa3c413092efc73ccca252476f1b59878dc65b444884515bcce3d3bfab902f585cc1d08e2aeb55aa8e588128aeb6
+DIST llvm-project-645dd324d1b7d028745c2a4045b69e745df2ae6a.tar.gz 247443586 BLAKE2B dd3229c32768e42fd2f311638f1e63f5503fabee3fa414bc3300313b36bbfa062d90900319e4fdbbafae17947537fba699fe5940e1b6553a2d9a716c0ce7b59c SHA512 659dc22e2fd1fd0bced13f941127797dc7703b8d810eeb7a0fc51cf55c274e69e2d6660867c191d5d90615ddee3a1faff7f7cd357ff2eb88d715762be50098c3
 DIST llvm-project-d76bb2bb894a4641ed62447327b40a347a6ae883.tar.gz 245754836 BLAKE2B 487e6396f1b381743dfbbd13e8f55728f1f915c042c717433e498127ecdeb4405a67e998059f5eb1f84e851437b805ba9e9c0e390c61092c7ee336a801d6f342 SHA512 42e38f917357918e8d62d8893a1ba34b431cd8aabf924b89e5352013bb8984c10c0b2796fa9a725bab71e52f99216604b75606bde3b795d20082d97d0f7a82ad
diff --git a/llvm-runtimes/libcxxabi/libcxxabi-22.0.0_pre20250907.ebuild b/llvm-runtimes/libcxxabi/libcxxabi-22.0.0_pre20250907.ebuild
new file mode 100644
index 000000000000..34374381bf61
--- /dev/null
+++ b/llvm-runtimes/libcxxabi/libcxxabi-22.0.0_pre20250907.ebuild
@@ -0,0 +1,148 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit cmake-multilib crossdev flag-o-matic llvm.org llvm-utils
+inherit 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 )"
+
+DEPEND="
+	${RDEPEND}
+	llvm-core/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		llvm-core/clang:${LLVM_MAJOR}
+		llvm-core/clang-linker-config:${LLVM_MAJOR}
+		llvm-runtimes/clang-rtlib-config:${LLVM_MAJOR}
+		llvm-runtimes/clang-unwindlib-config:${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/include/llvm/{Demangle,Testing} llvm/utils/llvm-lit
+)
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+test_compiler() {
+	target_is_not_host && return
+	$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c - \
+		<<<'int main() { return 0; }' &>/dev/null
+}
+
+multilib_src_configure() {
+	# Workaround for bgo #961153.
+	# TODO: Fix the multilib.eclass, so it sets CTARGET properly.
+	if ! is_crosspkg; then
+		export CTARGET=${CHOST}
+	fi
+
+	if use clang; then
+		llvm_prepend_path -b "${LLVM_MAJOR}"
+		local -x CC=${CTARGET}-clang-${LLVM_MAJOR}
+		local -x CXX=${CTARGET}-clang++-${LLVM_MAJOR}
+		strip-unsupported-flags
+
+		# The full clang configuration might not be ready yet. Use the partial
+		# configuration of components that libunwind depends on.
+		local flags=(
+			--config="${ESYSROOT}"/etc/clang/"${LLVM_MAJOR}"/gentoo-{rtlib,unwindlib,linker}.cfg
+		)
+		local -x CFLAGS="${CFLAGS} ${flags[@]}"
+		local -x CXXFLAGS="${CXXFLAGS} ${flags[@]}"
+		local -x LDFLAGS="${LDFLAGS} ${flags[@]}"
+	fi
+
+	local nostdlib_flags=( -nostdlib++ )
+	if ! test_compiler && test_compiler "${nostdlib_flags[@]}"; then
+		local -x LDFLAGS="${LDFLAGS} ${nostdlib_flags[*]}"
+		ewarn "${CXX} seems to lack stdlib, trying with ${nostdlib_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=(
+		-DLLVM_ROOT="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}"
+
+		-DCMAKE_CXX_COMPILER_TARGET="${CTARGET}"
+		-DPython3_EXECUTABLE="${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="${EPREFIX}"/usr/include
+		# this is broken with standalone builds, and also meaningless
+		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
+
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_CXX_ABI=libcxxabi
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(llvm_cmake_use_musl)
+		-DLIBCXX_HAS_GCC_S_LIB=OFF
+		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
+		-DLIBCXX_INCLUDE_TESTS=OFF
+	)
+	if is_crosspkg; then
+		mycmakeargs+=(
+			# Without this, the compiler will compile a test program
+			# and fail due to no builtins.
+			-DCMAKE_C_COMPILER_WORKS=1
+			-DCMAKE_CXX_COMPILER_WORKS=1
+			# Install inside the cross sysroot.
+			-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/${CTARGET}/usr"
+		)
+	fi
+	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
+}