llvm-runtimes/libcxxabi: Add 21.0.0_pre20250211 snapshot

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

2 files changed, 110 insertions, 0 deletions

diff --git a/llvm-runtimes/libcxxabi/Manifest b/llvm-runtimes/libcxxabi/Manifest
index fb9676abc4b1..04bfb25ffdfc 100644
--- a/llvm-runtimes/libcxxabi/Manifest
+++ b/llvm-runtimes/libcxxabi/Manifest
@@ -13,5 +13,6 @@ DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf
 DIST llvm-project-1f26ac10ca1bef40a80be8f81a6f109713bc586f.tar.gz 226424755 BLAKE2B 642befb8d6923f335d1d68129ebb7357f8ba22e110df494dd956c8097e4e5db4b2a88fcc069ab67184b03558f072c68e002bdaf90eba865e38b1473a0ef29eed SHA512 e9bb4fd31bbad5ec864c662515b5ec2e5511cce975040f9f3cd8f009c92f76077928feae0467fd9519a001a379c857f7539c506953d8d5a9209a9f358f414aac
 DIST llvm-project-20.1.0-rc1.src.tar.xz 147144668 BLAKE2B ea4733962f38ea5897c73e91840818921739909c3671749bc8a0b1d2798e5a0815bbe750ade3a2a7414836ab7158754818b2f9370a4ee1bbbd52c96b1e95ef9b SHA512 c23c4b1227b6b0b7c3059358e64a00ee98893236bb1a0a41d7e821bdf2aa8353aea8f9f7b9498899c6807b9b8e2ceb06c3cd62e32fd07a786a319135055541b4
 DIST llvm-project-20.1.0-rc1.src.tar.xz.sig 566 BLAKE2B 32eb278ec4ff1bb9d258b584922b0d227f4126a957ba75af44dcaa63b6a12ef73db56d6a86f24244af47803ddf6a243149d784f08137cbea60b49700be537705 SHA512 d7a334326201f8ca78284b33c325f180538667a0401bc30931e790aacc96dd78f6559c45929b6c335d40ef1dbe772738c0ce55d881ae3d7401733778b485408c
+DIST llvm-project-2cd8207b26ea4269630feba661f68554d7ae3c15.tar.gz 227261597 BLAKE2B 51ce992b651fcf08b7fd520420040803b59f1260947953325400c50bec576c418b162d8ae2d2307e70b885b1185c302a97409bcfe48cdb14b8e1384f4e2dfa9e SHA512 a41749943508ea4a18b47c4e947917b5268544e64372c0c3347f9ab8172a2c229d8b1d813d1e842be1b98aedd624524857ed3bb23fe98ad5f36e7a71581abb4b
 DIST llvm-project-6f241e36831927e3aea113cfc017c34fdeda340a.tar.gz 227203285 BLAKE2B 8d5e424c1836acc82ea766cd2cef104593c44d197ebeb64f18dbe74b1b5baeb4bc84084f5b68bd87ac36f7df25689dd2522cb6674a97da4f96f4f10f7bae5b06 SHA512 2b6e4bd6445eabfa3ace9b45d20797c7afc23f4553a8938399aeba227e3b8ca6a53a7d7762925a845bfed031c37af692b9c08180fbab80db2f3166940e560077
 DIST llvm-project-bfa7edcc6652bdb37d53e0cec64926aab3f280eb.tar.gz 226735989 BLAKE2B 165837dc526e618b44c49d5fa3dceda373452e010a09746bff248903fe77874637d05ab9f5d2f63de7ebce5c14e3b19a131313a4a557adfd20fe9cb93ab60476 SHA512 e9e19176fcf1302727ee34d69eaa820b94959d64ceaf754d8a93ebd5e262cec7fe35e87b08f705b09e42c3ea26b671318eecf10e9137c635b12f481f80fbac23
diff --git a/llvm-runtimes/libcxxabi/libcxxabi-21.0.0_pre20250211.ebuild b/llvm-runtimes/libcxxabi/libcxxabi-21.0.0_pre20250211.ebuild
new file mode 100644
index 000000000000..412d927e8b49
--- /dev/null
+++ b/llvm-runtimes/libcxxabi/libcxxabi-21.0.0_pre20250211.ebuild
@@ -0,0 +1,109 @@
+# Copyright 1999-2025 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+="
+	!<llvm-runtimes/libcxx-15
+"
+DEPEND="
+	${RDEPEND}
+	llvm-core/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		llvm-core/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
+}