commit: 48c099b1a6d7dfcee8a793b22bd544566fead2fc
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Tue Mar 3 19:55:56 2026 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Tue Mar 3 20:03:15 2026 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=48c099b1
llvm-runtimes/libunwind: Add 23.0.0_pre20260303 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
llvm-runtimes/libunwind/Manifest | 1 +
.../libunwind/libunwind-23.0.0_pre20260303.ebuild | 193 +++++++++++++++++++++
2 files changed, 194 insertions(+)
diff --git a/llvm-runtimes/libunwind/Manifest b/llvm-runtimes/libunwind/Manifest
index c6af677c12d3..840bbc627f0e 100644
--- a/llvm-runtimes/libunwind/Manifest
+++ b/llvm-runtimes/libunwind/Manifest
@@ -14,3 +14,4 @@ DIST llvm-project-21.1.8.src.tar.xz.sig 119 BLAKE2B
cffc1825f5778a3e3c128ec3e856
DIST llvm-project-22.1.0.src.tar.xz 167040408 BLAKE2B
c5e9971dd17f4b0508b85c9f247bebfcf9a9b4e282f65b09105549e7aef529ed25104458b83f5d7b152c4308df8ea2f8fdb7f479f4928d9b4360a3c326255647
SHA512
588753a26742cfc76ca179398eaac6a31e68b1fa5bfaf7300ce710a89bba1dc9bfe41229bb9277663a3cde4468e74922153e5d1529eb7c6fe4de5ba3cb62ba45
DIST llvm-project-22.1.0.src.tar.xz.sig 119 BLAKE2B
d3190d9dbacedf9de0c6b3d5c7711ae3c57dd4dc8cd136bc27fe4901253ffbd6d21060c046d7bf69d3a9489b5704ab5337e6d26da8236966c609b2d0eb54db97
SHA512
6145bf769640a9c6546cb63fa82450b2985ab74b2180a735f709ed909998cfbc6781116354b8b819cefa0e87cd11d470ecc64cd758b4a703aa10ee7880315f42
DIST llvm-project-ab25249e63aba72be5365e5dc08c8d3c34d23276.tar.gz 262159561
BLAKE2B
2ba10498cb3003b17680e4eb9cfdd1e50a359f64d2a3319e5060d2efde2c4d62bfb406d72eb66a358de1a5587cd5dcd360211c8a06b6b5a891379f4a75ff7114
SHA512
fa269505d6ddb2e8f78a761e299bd8432b9340055833c7d50d5285febf785c03a144e35e3911f00a592e05bbefb9316cdc8d6e06b01e79c6d1542a8081b9b294
+DIST llvm-project-d908184487b9d99b249d4238453e91203492888a.tar.gz 263757577
BLAKE2B
594855e915286c5b356c80abab06639e8e032559b011d0eb634ea873f552e0cb0b922709b6efdadd40adac053f0aa2e52bd82352c49f56af6f7d1c7727cdf5f7
SHA512
5849d385010d1deefde647ada47687c5479fa2b052990e9aec7c051d066fa8842b4fd431a151e62b335d0b91f72a6869bd7181c8bee500e76d575e414e7d4605
diff --git a/llvm-runtimes/libunwind/libunwind-23.0.0_pre20260303.ebuild
b/llvm-runtimes/libunwind/libunwind-23.0.0_pre20260303.ebuild
new file mode 100644
index 000000000000..009d9f7a0e2e
--- /dev/null
+++ b/llvm-runtimes/libunwind/libunwind-23.0.0_pre20260303.ebuild
@@ -0,0 +1,193 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit cmake-multilib crossdev flag-o-matic llvm.org llvm-utils
+inherit 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="
+ llvm-core/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+ clang? (
+ llvm-core/clang:${LLVM_MAJOR}
+ llvm-core/clang-linker-config:${LLVM_MAJOR}
+ llvm-runtimes/clang-rtlib-config:${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[${PYTHON_USEDEP}]"
+}
+
+test_compiler() {
+ target_is_not_host && return
+ local compiler=${1}
+ shift
+ ${compiler} ${CFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c - \
+ <<<'int main() { return 0; }' &>/dev/null
+}
+
+multilib_src_configure() {
+ if use clang; then
+ llvm_prepend_path -b "${LLVM_MAJOR}"
+ fi
+
+ local libdir=$(get_libdir)
+
+ # https://github.com/llvm/llvm-project/issues/56825
+ # also separately bug #863917
+ filter-lto
+
+ # Workaround for bgo #961153.
+ # TODO: Fix the multilib.eclass, so it sets CTARGET properly.
+ if ! is_crosspkg; then
+ export CTARGET=${CHOST}
+ fi
+
+ if use clang; then
+ local -x CC=${CTARGET}-clang-${LLVM_MAJOR}
+ local -x CXX=${CTARGET}-clang++-${LLVM_MAJOR}
+ strip-unsupported-flags
+
+ # The full clang configuration might not be ready yet. Use the
partial
+ # configuration files that are guaranteed to exist even during
initial
+ # installations and upgrades.
+ local flags=(
+
--config="${ESYSROOT}"/etc/clang/"${LLVM_MAJOR}"/gentoo-{rtlib,linker}.cfg
+ )
+ local -x CFLAGS="${CFLAGS} ${flags[@]}"
+ local -x CXXFLAGS="${CXXFLAGS} ${flags[@]}"
+ local -x LDFLAGS="${LDFLAGS} ${flags[@]}"
+ fi
+
+ # Check whether C compiler runtime is available.
+ if ! test_compiler "$(tc-getCC)"; then
+ local nolib_flags=( -nodefaultlibs -lc )
+ if test_compiler "$(tc-getCC)" "${nolib_flags[@]}"; then
+ local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+ ewarn "${CC} seems to lack runtime, trying with
${nolib_flags[*]}"
+ elif test_compiler "$(tc-getCC)" "${nolib_flags[@]}"
-nostartfiles; then
+ # Avoiding -nostartfiles earlier on for bug #862540,
+ # and set available entry symbol for bug #862798.
+ nolib_flags+=( -nostartfiles -e main )
+ local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+ ewarn "${CC} seems to lack runtime, trying with
${nolib_flags[*]}"
+ fi
+ fi
+ # Check whether C++ standard library is available,
+ local nostdlib_flags=( -nostdlib++ )
+ if ! test_compiler "$(tc-getCXX)" &&
+ test_compiler "$(tc-getCXX)" "${nostdlib_flags[@]}"
+ then
+ local -x LDFLAGS="${LDFLAGS} ${nostdlib_flags[*]}"
+ ewarn "${CXX} seems to lack runtime, trying with
${nostdlib_flags[*]}"
+ fi
+
+ # link to compiler-rt
+ # https://github.com/gentoo/gentoo/pull/21516
+ local use_compiler_rt=OFF
+ [[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+ # Respect upstream build type assumptions (bug #910436) where they do:
+ # -DLIBUNWIND_ENABLE_ASSERTIONS=ON =>
+ # -DCMAKE_BUILD_TYPE=DEBUG => -UNDEBUG
+ # -DCMAKE_BUILD_TYPE!=debug => -DNDEBUG
+ # -DLIBUNWIND_ENABLE_ASSERTIONS=OFF =>
+ # -UNDEBUG
+ # See also
https://github.com/llvm/llvm-project/issues/86#issuecomment-1649668826.
+ use debug || append-cppflags -DNDEBUG
+
+ local mycmakeargs=(
+ -DLLVM_ROOT="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}"
+
+ -DCMAKE_C_COMPILER_TARGET="${CTARGET}"
+ -DCMAKE_CXX_COMPILER_TARGET="${CTARGET}"
+ -DPython3_EXECUTABLE="${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
+
+ # cross-unwinding increases unwinding footprint (to account
+ # for the worst case) and causes some breakage on AArch64
+ # https://github.com/llvm/llvm-project/issues/152549
+ -DLIBUNWIND_ENABLE_CROSS_UNWINDING=OFF
+
+ # avoid dependency on libgcc_s if compiler-rt is used
+ -DLIBUNWIND_USE_COMPILER_RT=${use_compiler_rt}
+ )
+ if is_crosspkg; then
+ mycmakeargs+=(
+ # Without this, the compiler will compile a test program
+ # and fail due to no builtins.
+ -DCMAKE_C_COMPILER_WORKS=1
+ -DCMAKE_CXX_COMPILER_WORKS=1
+ # Install inside the cross sysroot.
+ -DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/${CTARGET}/usr"
+ )
+ fi
+ if use test; then
+ mycmakeargs+=(
+ -DLLVM_ENABLE_RUNTIMES="libunwind;libcxxabi;libcxx"
+ -DLLVM_EXTERNAL_LIT="${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=$(llvm_cmake_use_musl)
+ -DLIBCXX_HAS_GCC_S_LIB=OFF
+ -DLIBCXX_INCLUDE_TESTS=OFF
+ -DLIBCXX_INCLUDE_BENCHMARKS=OFF
+ )
+ fi
+
+ cmake_src_configure
+}
+
+multilib_src_test() {
+ local -x LIT_PRESERVES_TMP=1
+ cmake_build check-unwind
+}
+
+multilib_src_install() {
+ DESTDIR=${D} cmake_build install-unwind
+}
