sys-libs/llvm-libunwind: Add 20.0.0_pre20241123 snapshot

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

2 files changed, 129 insertions, 0 deletions

diff --git a/sys-libs/llvm-libunwind/Manifest b/sys-libs/llvm-libunwind/Manifest
index cf2c29a3d90f..6d29cf9fe27c 100644
--- a/sys-libs/llvm-libunwind/Manifest
+++ b/sys-libs/llvm-libunwind/Manifest
@@ -11,6 +11,7 @@ DIST llvm-project-19.1.3.src.tar.xz 141247864 BLAKE2B 4ccb30accd632a7d54eb065b72
 DIST llvm-project-19.1.3.src.tar.xz.sig 438 BLAKE2B 44717741ae13bb0c52382647352e52273d8401728dc5cc1cf0c11a8f08cd74b6e3d789e788793aad767030b36fdec62e3a05bdc0b7ff60556cec7ceac17fc239 SHA512 84ef22ee78dbaad4710becbcb02119d06063099f9102bb86f3cd44fbb7e2d87bafe239d8e0cbf22ab5a479f99a11a77125f22394d5006ed86262076ccbf1634d
 DIST llvm-project-19.1.4.src.tar.xz 141255156 BLAKE2B b99cd8a96e38dbcfb582ee5d2250268df36fb94fa0fd5b3611484094fbd7962051978334d2c623d2ff5a0209dbb2c6c6492be0146507ae982a7d3e9705a689c5 SHA512 a586f8a41dde5e0d9ca6d8c58e9ef2a2e59b70a86d2e2c46106dc31b5c096bb80af0cdbdb486179e9cc676a540099f49a1c2db9e5e84c50362db1f72e9af6906
 DIST llvm-project-19.1.4.src.tar.xz.sig 438 BLAKE2B b0925bdb761046d69779e0b035e29430bc09ef2b81be763aa5c853793631d7b7fdd65eb4dae7a1e3b4daa15d189c24cd1e14f065f79fdbf75429fa34be9b330e SHA512 3fb4a6c7594cb43680860698dac47062dde30de60f515dcecdad63812ea1edfb2cb209d0a7ac2254589c245a95b7c0f571b582e0d4b97a6ae8242563483ea764
+DIST llvm-project-19ddafafdf131aed40abbdaf5af1fb7b59c1e8ac.tar.gz 223281446 BLAKE2B 68f8e9bbae78938f424f566bf60db489e5c8afc4ae307cce11adb4b9b6dd48f1c54f1ef69b81051a702cb213012a0e5e03f602a29b11488d79a6bc5e49aa3402 SHA512 6355dd6f8992c6d14f20ce1976fc588f198a42c3c7eaa6c463e63b5110759decdebb80ea357c5e29620d8c33b6da752cbb8d2853159dc0e887f6c3d733c80eca
 DIST llvm-project-3f4468faaa9525ad615118675c3c68938f4a8d5f.tar.gz 221860252 BLAKE2B 6c531df34163dc0879c79b029a13215d1bef2cd95bbaf4a6d5e10b81a8352236283d40f14b62e23a57cc1cf8edce138fb6e2720ced2397d6469c5863564c626d SHA512 4aa485f4547e210cf8f6f8147c4adab3e75afe77f1e4e1bc4718fe681b64bdcf8937f843964542f8ead90ceef52cc0fd4bd8275824d1a4c6961eddafc7d35115
 DIST llvm-project-a6385a3fc8a88f092d07672210a1e773481c2919.tar.gz 222866102 BLAKE2B 9346275b18dcd7eedb699ed3494c027f597f68ceb8ff902fbff9f805a2c423d4fb86619974b3bb6fea30c5fe948e3793fb5c499f9e206b61794e13908d830327 SHA512 ac507feeaba787c6df1ece65e03d065c4f8fbabef686b583f671745e09c9a585be8c9359aeb3aa77815711a2ff9621c1b36a4d24cfe9f8d04e3288b53d7c9c69
 DIST llvm-project-c7df10643bda4acdc9a02406a2eee8aa4ced747f.tar.gz 222622409 BLAKE2B 8b6b53e0d51a681ec2e3ea1c873df95357e1333a598d26921c72f4ce05872aa5fe00a046bfe8811e2c8c1a2ffced7a325a0399bd931e54cf2aeb23abe887bde7 SHA512 e78219c87f001c813844ff652bf065f7c1d1bbf09af801ed1e99e9f40b981896bcee699d2ab15c71478388987c4030750a7958265d374b9f568fdf7af3dd3a21
diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-20.0.0_pre20241123.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-20.0.0_pre20241123.ebuild
new file mode 100644
index 000000000000..f2972aaec14a
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-20.0.0_pre20241123.ebuild
@@ -0,0 +1,128 @@
+# 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="C++ runtime stack unwinder from LLVM"
+HOMEPAGE="https://llvm.org/docs/ExceptionHandling.html"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+IUSE="+clang +debug static-libs test"
+REQUIRED_USE="test? ( clang )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	!sys-libs/libunwind
+"
+DEPEND="
+	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 libunwind libcxx llvm/cmake cmake )
+LLVM_TEST_COMPONENTS=( libc libcxxabi 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}"
+
+	local libdir=$(get_libdir)
+
+	# https://github.com/llvm/llvm-project/issues/56825
+	# also separately bug #863917
+	filter-lto
+
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	# link to compiler-rt
+	# https://github.com/gentoo/gentoo/pull/21516
+	local use_compiler_rt=OFF
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	# Respect upstream build type assumptions (bug #910436) where they do:
+	# -DLIBUNWIND_ENABLE_ASSERTIONS=ON =>
+	#       -DCMAKE_BUILD_TYPE=DEBUG  => -UNDEBUG
+	#       -DCMAKE_BUILD_TYPE!=debug => -DNDEBUG
+	# -DLIBUNWIND_ENABLE_ASSERTIONS=OFF =>
+	#       -UNDEBUG
+	# See also https://github.com/llvm/llvm-project/issues/86#issuecomment-1649668826.
+	use debug || append-cppflags -DNDEBUG
+
+	local mycmakeargs=(
+		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
+		-DPython3_EXECUTABLE="${PYTHON}"
+		-DLLVM_ENABLE_RUNTIMES="libunwind"
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+		-DLLVM_INCLUDE_TESTS=OFF
+		-DLIBUNWIND_ENABLE_ASSERTIONS=$(usex debug)
+		-DLIBUNWIND_ENABLE_STATIC=$(usex static-libs)
+		-DLIBUNWIND_INCLUDE_TESTS=$(usex test)
+		-DLIBUNWIND_INSTALL_HEADERS=ON
+
+		# support non-native unwinding; given it's small enough,
+		# enable it unconditionally
+		-DLIBUNWIND_ENABLE_CROSS_UNWINDING=ON
+
+		# avoid dependency on libgcc_s if compiler-rt is used
+		-DLIBUNWIND_USE_COMPILER_RT=${use_compiler_rt}
+	)
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_ENABLE_RUNTIMES="libunwind;libcxxabi;libcxx"
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+			-DLIBUNWIND_LIBCXX_PATH="${WORKDIR}/libcxx"
+
+			-DLIBCXXABI_LIBDIR_SUFFIX=
+			-DLIBCXXABI_ENABLE_SHARED=OFF
+			-DLIBCXXABI_ENABLE_STATIC=ON
+			-DLIBCXXABI_USE_LLVM_UNWINDER=ON
+			-DLIBCXXABI_INCLUDE_TESTS=OFF
+
+			-DLIBCXX_LIBDIR_SUFFIX=
+			-DLIBCXX_ENABLE_SHARED=OFF
+			-DLIBCXX_ENABLE_STATIC=ON
+			-DLIBCXX_CXX_ABI=libcxxabi
+			-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+			-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+			-DLIBCXX_HAS_GCC_S_LIB=OFF
+			-DLIBCXX_INCLUDE_TESTS=OFF
+			-DLIBCXX_INCLUDE_BENCHMARKS=OFF
+		)
+	fi
+
+	cmake_src_configure
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-unwind
+}
+
+multilib_src_install() {
+	DESTDIR=${D} cmake_build install-unwind
+}