[gentoo-commits] repo/gentoo:master commit in: llvm-runtimes/libunwind/

["Michał Górny" <mgorny@gentoo.org>]

commit:     55346e86437223aa6ef17254c83765e8be3e899a
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sat Mar  1 12:56:23 2025 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sat Mar  1 12:58:30 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=55346e86

llvm-runtimes/libunwind: Add 21.0.0_pre20250301 snapshot

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

 llvm-runtimes/libunwind/Manifest                   |   1 +
 .../libunwind/libunwind-21.0.0_pre20250301.ebuild  | 128 +++++++++++++++++++++
 2 files changed, 129 insertions(+)

diff --git a/llvm-runtimes/libunwind/Manifest b/llvm-runtimes/libunwind/Manifest
index a2f41e0a436d..ac04024fa9ce 100644
--- a/llvm-runtimes/libunwind/Manifest
+++ b/llvm-runtimes/libunwind/Manifest
@@ -12,4 +12,5 @@ DIST llvm-project-19.1.7.src.tar.xz 141249332 BLAKE2B 1259ed7f9aca7b35e89d818bef
 DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf6f30e75705123d067ea97175d91d7a5b6a75008df01d99ae7aa16aaa3b101f3f41e38d01f04158f95a261d617b3ede0254cd SHA512 195797b06ac80a742e0ccbc03a50dc06dd2e04377d783d5474e3e72c5a75203b60292b047929312a411d22b137a239943fba414a4d136a2be14cbff978eb6bda
 DIST llvm-project-20.1.0-rc3.src.tar.xz 147194560 BLAKE2B 888764927782b01e968c9ec326315375c6b1050d3852c7ebe7fbd06b3b4052307162f77a76f1e8976879178116ea909c581b8d1ee99dc7a4c5368b01d5597d23 SHA512 9de97104681de9c8039f03e94adc25fe1765280f826342fb4f616266aa0e4afe63db09a8cc3458252d8b2834e4efb2d17ed0226c62c7bb06d948ba8172ee078c
 DIST llvm-project-20.1.0-rc3.src.tar.xz.sig 566 BLAKE2B 411ad085c3ab83c1599d110d93a9279206885a01e4748b8ac015a9a94b89fe25c35eab38b213cafb7f733be03826ffc4a01eb52788e2742d44d41a487aff2e26 SHA512 53c5aaa963e883ff06ac7ec9b821dcc4476b79f5be0169667843b18cd8836e8993856a045f2aab23bc77faefc2983fd822cfb1219d5644cec67132d647c877d8
+DIST llvm-project-7e8a06cfa4a2951b8ee77e19e34926e6e535b4d1.tar.gz 228792296 BLAKE2B cd9357bdca9342770820f9fadfbd0b129a83324847f18e2ebac1fed8df4afb101aba2dc19d90264ae1e2d5692e34149ca24ef82a4973e7aeddb157268bb411b6 SHA512 9821a34a559e1db596940d76ce9388360baea43c1a9de814f567bfcf1428a0c6e3ced61b1e07537058454785d9c3aa3f443cbcf742a01fb40dd20b476a906442
 DIST llvm-project-d254fa877f419e61e54709f0a6f2e891da893a60.tar.gz 228028122 BLAKE2B 3321f3b205dfcd672d52122d7ba8e4e737916e01f5041a0dc140722f64359476632e036da0e0692cd366b080a073292cfdb4963e973bf800afabc20d06a2e86b SHA512 135c4864973b682cf41953d43d977eaa219a4a898fceb4b4a8cacbbc6a5dd271d26010b1db6c6c90e761bf3495036f3e7528ab259d48c9c4dc4a064332c0326f

diff --git a/llvm-runtimes/libunwind/libunwind-21.0.0_pre20250301.ebuild b/llvm-runtimes/libunwind/libunwind-21.0.0_pre20250301.ebuild
new file mode 100644
index 000000000000..4a6714b162db
--- /dev/null
+++ b/llvm-runtimes/libunwind/libunwind-21.0.0_pre20250301.ebuild
@@ -0,0 +1,128 @@
+# Copyright 1999-2025 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="
+	llvm-core/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		llvm-core/clang:${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=( libc 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
+}