sys-libs/llvm-libunwind: Add 18.0.0_pre20231104 snapshot

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

2 files changed, 132 insertions, 0 deletions

diff --git a/sys-libs/llvm-libunwind/Manifest b/sys-libs/llvm-libunwind/Manifest
index 7df7743194f4..8a547e85b6d5 100644
--- a/sys-libs/llvm-libunwind/Manifest
+++ b/sys-libs/llvm-libunwind/Manifest
@@ -9,5 +9,6 @@ DIST llvm-project-17.0.3.src.tar.xz.sig 438 BLAKE2B 045e7ca82c8d9b3f182e4fa331ec
 DIST llvm-project-17.0.4.src.tar.xz 127828636 BLAKE2B bd91ef7f07e085b935500b056f75ab792d13e7f33825df36e85e7988f313a4f3fbb1b4c854615a5e437a97ad552838eb1be5098194f281ba1279330156dd6a38 SHA512 6703eede8013e7e5733fbd7b527757166d5698f52e239522fb320717430c88696309038501d22fe384b016b330bd92126a2c0ba88b0258c3f092801e3800b7a3
 DIST llvm-project-17.0.4.src.tar.xz.sig 438 BLAKE2B e417c14d0af8c2f13eccec7a42d0e4d5a6a834d7a3d31061b9f56f7e880cd982c2b1e84322bcf8f6a3d3167519c31f16c7acb8fc725ab5b453f467a196ca2688 SHA512 4e79bb1d2b41289c092d4ec2759d7cfd4f12df8d107f9510aa9e2354691e7f878e3929b2b50e29fd6c65bd5a3aa13baf6b791847c1cd99817adbf59700cf2bdd
 DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
+DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 DIST llvm-project-a7700985577694d6cc2498833f27b4fb5eeaf252.tar.gz 199221825 BLAKE2B 047ab7c0e80e1dbbe61ebd9aaae17166665a33b5cb50beec6da2cc19bec9a16777b82c157e74f88b0678d843b200f292d696a964211a8e532f128491dc39a6e4 SHA512 b747210d53402ae01238fa82195fa5c1c8d1c832d976bcc996ef657ac54dacb2fb19521c6f080151e6b1af8a49ddfe58979afaa00b3f1f72dc664ac79b99a8bb
 DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-18.0.0_pre20231104.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-18.0.0_pre20231104.ebuild
new file mode 100644
index 000000000000..8f54197f0751
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-18.0.0_pre20231104.ebuild
@@ -0,0 +1,131 @@
+# Copyright 1999-2023 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 llvm.org python-any-r1 \
+	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[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
+	python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+	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
+}