sys-libs/llvm-libunwind: Add 19.0.0_pre20240615 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 208843d5bdb6..b719eb13d069 100644
--- a/sys-libs/llvm-libunwind/Manifest
+++ b/sys-libs/llvm-libunwind/Manifest
@@ -11,3 +11,4 @@ DIST llvm-project-18.1.7.src.tar.xz.sig 566 BLAKE2B 9ae6d80eba5309ce3d5cba580df5
 DIST llvm-project-5aabbf0602c48b67bb89fd37f95bf97c95ded488.tar.gz 212582616 BLAKE2B 78522148bb4993bd26b16f1e3f44c2baf617705667c7fb104edc844c4330017166c783adae2f0215ca7463c05d1eef30fdf02b13241a9497aaede36bb8580a26 SHA512 104e0b5b4f34102f2da03cd54fe9bf5f7fb6efb3a9745d8ec85caa5f92189fde4a5c02c327243d87ff5c7d24b3790fcabdf0ef7144e79e15765785ca72dd3841
 DIST llvm-project-702198fc9ac5dba392f9d9ba7c56467996343c0a.tar.gz 211764675 BLAKE2B b28203faf5c4e51236da3e3abac969cffe6f93ce6757a81b5a577187ec236fc0b124fe6a370d1f4e803deab781606a7caf0b411780cc84ee08a8de942c4fc479 SHA512 b4217403abf4166eb8eccfd304bcaa2e15d5b67c4f996d51e0745d197e4b9eda1dd5a5b1d7c384effc25f53bb1229edda9618e172abe3be1a94a9569f7c5b0b7
 DIST llvm-project-7dc2f6602212bf0a0433c157b70e4fc0d70bb730.tar.gz 211903416 BLAKE2B 4a2f12e0aa234d507d2fc2136a1d98a7624147ce6e401831743e640abcaceb5152c80ba2dc312f9256e4a04be2ad065d1a57dbe5dc24f2d3edc9d65888986710 SHA512 c9eb99f666fc15b29f01a1b2a4b3c6edd3a726033533111e60763c6313a4af8c9dba3396856d6650ac5e666d00941efcc944fac85a4483748bbbea9475e6daf8
+DIST llvm-project-cddb9ce04e68d876de895d39d60b6af34d569012.tar.gz 213219536 BLAKE2B 5aba2c1dd19d73a8691590873f1697fa32adeab7f84d1d5636e211071e64bfa5d28a49ea9cfdba5fbae77c9520c2103a9f1544d669c7948a318636557f45f6ee SHA512 69ed25a0565c61cd4eb512e95b0fd2d2a3a09dbad73e7186d7fb1764193b06e522572eafb271d21469a4bfb133a62efe65e5ccd20cf05af8b43c52e195d477a9
diff --git a/sys-libs/llvm-libunwind/llvm-libunwind-19.0.0_pre20240615.ebuild b/sys-libs/llvm-libunwind/llvm-libunwind-19.0.0_pre20240615.ebuild
new file mode 100644
index 000000000000..e4c76c15ebc8
--- /dev/null
+++ b/sys-libs/llvm-libunwind/llvm-libunwind-19.0.0_pre20240615.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=( 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
+}