sys-libs/llvm-libunwind: Add 17.0.0_pre20230218 snapshot

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

2 files changed, 124 insertions, 0 deletions

diff --git a/sys-libs/llvm-libunwind/Manifest b/sys-libs/llvm-libunwind/Manifest
index 60d115e66e36..8597f62ed4dc 100644
--- a/sys-libs/llvm-libunwind/Manifest
+++ b/sys-libs/llvm-libunwind/Manifest
@@ -5,3 +5,4 @@ DIST llvm-project-15.0.7.src.tar.xz.sig 566 BLAKE2B 47dc8c82d86237b80c6d85f83a6c
 DIST llvm-project-16.0.0rc2.src.tar.xz 117917640 BLAKE2B 92c6b1daaa500339403dcf530efb23e1d869c7b9cd8677a6680e57d5d087fb54182f009d58bdda714b62a5866d7fe3b10deedc1e251fffdaae513706d95325af SHA512 c68bb7f2a8004666ecc5c55e89e2ca1252b384e6240a2b7c5588b74794ffc6ce93bb4b0db394abba6436cce04a6de301e80821aeda04d7aab49efb96b6f8cf40
 DIST llvm-project-16.0.0rc2.src.tar.xz.sig 566 BLAKE2B 35b2a8edf3392e1c0e9bf7f1a5e6e18fdda3d98a2164947cebf0c19d7d7c7a459901060345745dff794cf99bea243fec5cb625ca68d7c73d31ac01f18cbaa58c SHA512 4f6d43f00c3bce36c3a005441473fe37fe2ca97df4b8dd306045bd0d8bd14406ae7068a3dea54d4535eaa37b7ccca54b3f5b6f5aef70a7dfc23ed336d4ad408c
 DIST llvm-project-22fb66eb94b643c858c2beecbcfac438a7fa29ed.tar.gz 179795537 BLAKE2B aef57ef739c52a8f8b2b327a8f6d8cce4734d9704018fb43a21468e56748e5d5b3d2d47fb4e95fd72b2af9f2e4be88839553e26fd7da08df60c5cc0f51c001d4 SHA512 9ed093ef7dac4891660aafbc5cad66bddefa796bff4dd70c792cc636268742142d82b84520ac2f5a5963521d7b9e4325440763ce0c88937f89722f07d3acd4b8
+DIST llvm-project-5e262d58c42668c78d932fab6bf75cf8c3b9d07e.tar.gz 179975303 BLAKE2B 184e7ff6e9a7de77d4a8c36c6910e4e3c7c5e9ff73ed6111ec4704dd457205278abb258ff37170e41a6b21c9ae3f243a80b34e4b17f8977fb9a42876db6465b7 SHA512 ec7e16a4d8f8292d1184ae08c1c5eda0dba1876e7d9c228eb0added5cde45f3094fde7eb1da662d436f85315850310cc0612210ff3ddf82967d5c2de0047a724
diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-17.0.0_pre20230218.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-17.0.0_pre20230218.ebuild
new file mode 100644
index 000000000000..6ffa6c4f81b8
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-17.0.0_pre20230218.ebuild
@@ -0,0 +1,123 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9..11} )
+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"
+KEYWORDS=""
+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
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	local mycmakeargs=(
+		-DCMAKE_CXX_COMPILER_TARGET="${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
+}