commit: 6e8d6965f98ee47cf5c49313115d336e30603387
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Thu Nov 20 18:56:09 2025 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Thu Nov 20 18:56:09 2025 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=6e8d6965
llvm-runtimes/libunwind: Add 22.0.0_pre20251120 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
llvm-runtimes/libunwind/Manifest | 1 +
.../libunwind/libunwind-22.0.0_pre20251120.ebuild | 193 +++++++++++++++++++++
2 files changed, 194 insertions(+)
diff --git a/llvm-runtimes/libunwind/Manifest b/llvm-runtimes/libunwind/Manifest
index 9b2b2cdb0dd6..43ce1c7664b2 100644
--- a/llvm-runtimes/libunwind/Manifest
+++ b/llvm-runtimes/libunwind/Manifest
@@ -15,3 +15,4 @@ DIST llvm-project-21.1.5.src.tar.xz 158957032 BLAKE2B
c056049214b18a17a3fd2dc86a
DIST llvm-project-21.1.5.src.tar.xz.sig 119 BLAKE2B
abf014908e981ea358ee38f6d1ef6c745ebbe51011fa7e83a514672bbad152fac92c95dd32a7b52a8d9c2a2a9ea1b44e447bb0bc5953f0f7bbd9ced34aa3c0cc
SHA512
4e327c7d60525526ff3ac6ca58f1e753a57f841b88078a9bfe2a2ce91e4a5e17bcc52fd2f27f75801540610c1a56d57a3070243f13ad583e3526901b1f7be4a5
DIST llvm-project-21.1.6.src.tar.xz 158947864 BLAKE2B
eeda7b9903ef59319ad22e5e3a8b66a339cbbb7445ccb75fa09db6823371a22e9b66cb44c084fdeb16054f2e62a149f6e069d9726f269f667dbd6a631cb658c3
SHA512
f9e6c84828e40cb0a7894258b07240468a9d555c11496a1725bf959444362277a90ea822eeb8c9b51b3b7fecd4dd0b213a28a2f2effefbf43efdd21084d10afc
DIST llvm-project-21.1.6.src.tar.xz.sig 119 BLAKE2B
2e3de87f4adb181740cfc8a5f8de3e6f4090f50d2f0dfa2670b27c0a6dde296b399ee017b5f6220aa80581a16c81afb5c96454d69dac8ce246713570470956b8
SHA512
637cc9f778f8303e80985469c3102573a9cf6264093b1a83fb494e34b5cb444f76cbb7d6d497d44b05250d56e25ec27dd9df685e0b78b23bb71e4bcd05a8facf
+DIST llvm-project-21c4c1502e3383988ba77eac75b13da7b9426957.tar.gz 254650569
BLAKE2B
aaa8fffbe3b8ddcffa232c6cd078d33efc0f23453fd79b2ae71a0760b35da2ad17ffaed95d99c2548904468767d9f95af2ca4a59245e1ddf51a6612bda61cda4
SHA512
40a97c53cf7825b5c1e6867df74fa22e3b786a2ec9bcb478e1af0e6a165c582316c3c75b12f4704227b8e95cce91ab110acb10f2d8f30bc82319d6af4d201956
diff --git a/llvm-runtimes/libunwind/libunwind-22.0.0_pre20251120.ebuild
b/llvm-runtimes/libunwind/libunwind-22.0.0_pre20251120.ebuild
new file mode 100644
index 000000000000..95ce2986a0f9
--- /dev/null
+++ b/llvm-runtimes/libunwind/libunwind-22.0.0_pre20251120.ebuild
@@ -0,0 +1,193 @@
+# Copyright 1999-2025 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
+}
