sys-libs/llvm-libunwind: Add 19.0.0_pre20240224 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 6a1f511c358d..4fd527c4d3eb 100644
--- a/sys-libs/llvm-libunwind/Manifest
+++ b/sys-libs/llvm-libunwind/Manifest
@@ -9,4 +9,5 @@ DIST llvm-project-18.1.0rc2.src.tar.xz.sig 566 BLAKE2B c765549386a92883bd348d9be
 DIST llvm-project-18.1.0rc3.src.tar.xz 132011280 BLAKE2B 482a0e1b806292598bd646f225705140a463706ec391e4e42f203606b85673601a65fe55f2432d77f4c2f4c6584b35e53eeaded42e0b67aa6538c37d7cceb4ff SHA512 6c0adcf6e4057de8fb1dcd062845d14d725833d23d8e1362cbccab176931f55600a3971f01690179b795ff3feca0af9141b16dee4d4159755596cc9c904bf099
 DIST llvm-project-18.1.0rc3.src.tar.xz.sig 566 BLAKE2B dac9c174e2eeda5e0af0153d78a2e9c8f145efe03250582a27df1bd6a89ba70afdcfa1ed6aa46adb1f7f21077cadb6e43963758358ff17122c36781ee4018c05 SHA512 91a2778f9b66bc80172172f36d6027fb2455f3ffd03b06ad0dd376471c4d4e2e34c8bee69c76cfe95003ae34f0d28c394c7d135fbbb75686ff89aee56b6c45c3
 DIST llvm-project-3496927edcd0685807351ba88a7e2cfb006e1c0d.tar.gz 206227842 BLAKE2B cd27e9e9bca3622c2241bfa91c78eb8443df7465c1efcec57d5e701e2c61d3b2d3619483199e67b56deed9410f5382fc3164cdc7e864dcd77f4d12f3f9d2b159 SHA512 156d441074aff4d85af956b9abf89f9aefccccbe5b39e315c9c7c249ad01f95b42a303c23e9142292e7746f691c2ee704a7cd4a60916594ea1d468240c9b8152
+DIST llvm-project-60a904b2ad9842b93cc5fa0ad5bda5e22c550b7e.tar.gz 206511075 BLAKE2B 501924562c3e49eb921adcf3175d55ce0a47992b3b6b8b512ad8f1cc7b7e5f7bc3e2e278b7817c5924fdf8328f97be2f9c5037b1b6414d49e3b525739ecec6da SHA512 b05fcb4600645befb07f2da1efba463389df3fd1d9a26cb0e6ff9ab51edc2d8c5f51a9d44fe4b7f5f29d67cd4dbd15382fdf97f51ddc2c209196533c40611078
 DIST llvm-project-8884ba43a8485bebef5c4d41e7ed457e3fa84f07.tar.gz 205853916 BLAKE2B 115809efbf062ced32ffe61b25e65e44a0b3c293f68bf40fc4d9e596cd077fc4781a059ad24c4dc7a139c6ec884a6a183ebac06535f2498116266695e19daf00 SHA512 cb496111ec72163a1872fa9a14f8963108d3185f4464a74cc45d26ccc5071bc36895618b81c29063cde0564a50017a0194da4dc559a046a12550d9ab0d9b8347
diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-19.0.0_pre20240224.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-19.0.0_pre20240224.ebuild
new file mode 100644
index 000000000000..df7d3e6095bc
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-19.0.0_pre20240224.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
+}