sys-libs/llvm-libunwind: Add 19.0.0_pre20240322 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 ddcd0b8e3d77..beaf87582ac7 100644
--- a/sys-libs/llvm-libunwind/Manifest
+++ b/sys-libs/llvm-libunwind/Manifest
@@ -7,3 +7,4 @@ DIST llvm-project-17.0.6.src.tar.xz.sig 438 BLAKE2B 186e75b6a0fbfe1e85408589c149
 DIST llvm-project-18.1.2.src.tar.xz 132060436 BLAKE2B f21fca02fe9e02a3d440595aafbe0572be318ce69cc6285c1bf3dc9187b37ebf4c76f3ea60b6870c441675288f46e5597b069ec451d5026c5161f84daef6b4b2 SHA512 a0d01b018abbdf1609abc7b63911bb4c6c3619b748a0616b66be0843fcaa4240868412c5d1f77fe6dafdfed665b46570e7ce615da58efcaa91e9ddc8481e6fc4
 DIST llvm-project-18.1.2.src.tar.xz.sig 566 BLAKE2B 97c6b6b4a041316e70abd54ff715d87a62410fe5590c9b90548fff5a5121d8d5e028ec681f7e99c130d6c6726835365825286ef0a01c82a98394d9369ea7a390 SHA512 1cd8d1c227782cb43e269696045cea500a43f3c6b786f2cda8d380f5b8fc28d3ada11c41c4a252f2d3db465f767b27ea50c5659faa43d4aa5655cc3ffd6243c2
 DIST llvm-project-6d3cec01a6c29fa4e51ba129fa13dbf55d2b928e.tar.gz 207700152 BLAKE2B 855720b7a9cc7b1d8fdf398394eb5c702dd615c04e7dad51c449cb1c2f46e75f2ccf2ee10fa3a3403d6aec29f557023a11bd8cdb525bc9c3d76c79f23cd15e82 SHA512 ff6269158e165907c69bd3e4d2d6b87b4f4670546b7e290d7e6665e7097ec887d71174fa37bf5e1755524317e8ae8f0c7c7e428049e8b553faa52c614f1f4490
+DIST llvm-project-f3cfe016c5d8429c0dccfa6f85442e2ea0d45a58.tar.gz 208184654 BLAKE2B abd35798f7c921866bb221cecc42aa94915271d0804acbf44dbe5640efb787ef9d928c329eacde768fac4292217ed4d3c4187fba02dd1c826059aeaa1bad33f0 SHA512 513f7278367114ba3fe3271e8a790b62adbca97d280968537e44e5df9a7afb467a5ca93480f4d4fb7c4d5c0734d00ab54559bf68c00f09a1fcff2fee492aa84f
diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-19.0.0_pre20240322.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-19.0.0_pre20240322.ebuild
new file mode 100644
index 000000000000..df7d3e6095bc
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-19.0.0_pre20240322.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..12} )
+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=( 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
+}