commit: c0b3c135c26ce1e04e33e52be5db88facd9b0461
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Tue Mar 3 19:55:57 2026 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Tue Mar 3 20:03:16 2026 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=c0b3c135
llvm-runtimes/libcxx: Add 23.0.0_pre20260303 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
llvm-runtimes/libcxx/Manifest | 1 +
.../libcxx/libcxx-23.0.0_pre20260303.ebuild | 260 +++++++++++++++++++++
2 files changed, 261 insertions(+)
diff --git a/llvm-runtimes/libcxx/Manifest b/llvm-runtimes/libcxx/Manifest
index df84d0f4cd6b..e5a64470c7e5 100644
--- a/llvm-runtimes/libcxx/Manifest
+++ b/llvm-runtimes/libcxx/Manifest
@@ -15,3 +15,4 @@ 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/libcxx/libcxx-23.0.0_pre20260303.ebuild
b/llvm-runtimes/libcxx/libcxx-23.0.0_pre20260303.ebuild
new file mode 100644
index 000000000000..7d224001ae1b
--- /dev/null
+++ b/llvm-runtimes/libcxx/libcxx-23.0.0_pre20260303.ebuild
@@ -0,0 +1,260 @@
+# 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="New implementation of the C++ standard library, targeting C++11"
+HOMEPAGE="https://libcxx.llvm.org/";
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+IUSE="+clang +libcxxabi +static-libs test"
+REQUIRED_USE="test? ( clang )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+ libcxxabi? (
+ ~llvm-runtimes/libcxxabi-${PV}[static-libs?,${MULTILIB_USEDEP}]
+ )
+ !libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )
+"
+DEPEND="
+ ${RDEPEND}
+ llvm-core/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+ clang? (
+ llvm-core/clang:${LLVM_MAJOR}
+ llvm-core/clang-linker-config:${LLVM_MAJOR}
+ llvm-runtimes/clang-rtlib-config:${LLVM_MAJOR}
+ llvm-runtimes/clang-unwindlib-config:${LLVM_MAJOR}
+ )
+ !test? (
+ ${PYTHON_DEPS}
+ )
+ test? (
+ dev-debug/gdb[python]
+ $(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+ )
+"
+
+LLVM_COMPONENTS=(
+ runtimes libcxx{,abi} libc llvm/{cmake,utils/llvm-lit} cmake
+)
+llvm.org_set_globals
+
+python_check_deps() {
+ use test || return 0
+ python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+ python-any-r1_pkg_setup
+
+ if ! use libcxxabi && ! tc-is-gcc ; then
+ eerror "To build ${PN} against libsupc++, you have to use gcc.
Other"
+ eerror "compilers are not supported. Please set CC=gcc and
CXX=g++"
+ eerror "and try again."
+ die
+ fi
+}
+
+test_compiler() {
+ $(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \
+ <<<'int main() { return 0; }' &>/dev/null
+}
+
+src_configure() {
+ local install_prefix=${EPREFIX}
+ is_crosspkg && install_prefix+=/usr/${CTARGET}
+
+ # note: we need to do this before multilib kicks in since it will
+ # alter the CHOST
+ local cxxabi cxxabi_incs
+ if use libcxxabi; then
+ cxxabi=system-libcxxabi
+ cxxabi_incs="${install_prefix}/usr/include/c++/v1"
+ else
+ local
gcc_inc="${EPREFIX}/usr/lib/gcc/${CHOST}/$(gcc-fullversion)/include/g++-v$(gcc-major-version)"
+ cxxabi=libsupc++
+ cxxabi_incs="${gcc_inc};${gcc_inc}/${CHOST}"
+ fi
+
+ multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+ # Workaround for bgo #961153.
+ # TODO: Fix the multilib.eclass, so it sets CTARGET properly.
+ if ! is_crosspkg; then
+ export CTARGET=${CHOST}
+ fi
+
+ if use clang; then
+ llvm_prepend_path -b "${LLVM_MAJOR}"
+ 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 of components that libunwind depends on.
+ local flags=(
+
--config="${ESYSROOT}"/etc/clang/"${LLVM_MAJOR}"/gentoo-{rtlib,unwindlib,linker}.cfg
+ )
+ local -x CFLAGS="${CFLAGS} ${flags[@]}"
+ local -x CXXFLAGS="${CXXFLAGS} ${flags[@]}"
+ local -x LDFLAGS="${LDFLAGS} ${flags[@]}"
+ fi
+
+ # link to compiler-rt
+ local use_compiler_rt=OFF
+ [[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+ local nostdlib_flags=( -nostdlib++ )
+ if ! test_compiler && test_compiler "${nostdlib_flags[@]}"; then
+ local -x LDFLAGS="${LDFLAGS} ${nort_flags[*]}"
+ ewarn "${CXX} seems to lack runtime, trying with
${nort_flags[*]}"
+ fi
+
+ local libdir=$(get_libdir)
+ local mycmakeargs=(
+ -DLLVM_ROOT="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}"
+
+ -DCMAKE_CXX_COMPILER_TARGET="${CTARGET}"
+ -DPython3_EXECUTABLE="${PYTHON}"
+ -DLLVM_ENABLE_RUNTIMES=libcxx
+ -DLLVM_INCLUDE_TESTS=OFF
+ -DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+ -DLIBCXX_ENABLE_SHARED=ON
+ -DLIBCXX_ENABLE_STATIC=$(usex static-libs)
+ -DLIBCXX_CXX_ABI=${cxxabi}
+ -DLIBCXX_CXX_ABI_INCLUDE_PATHS=${cxxabi_incs}
+ # we're using our own mechanism for generating linker scripts
+ -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+ -DLIBCXX_HAS_MUSL_LIBC=$(llvm_cmake_use_musl)
+ -DLIBCXX_INCLUDE_BENCHMARKS=OFF
+ -DLIBCXX_INCLUDE_TESTS=$(usex test)
+ -DLIBCXX_INSTALL_MODULES=ON
+ -DLIBCXX_USE_COMPILER_RT=${use_compiler_rt}
+ # this is broken with standalone builds, and also meaningless
+ -DLIBCXXABI_USE_LLVM_UNWINDER=OFF
+ )
+ if is_crosspkg; then
+ # Needed to target built libc headers
+ local -x CFLAGS="${CFLAGS} -isystem
${ESYSROOT}/usr/${CTARGET}/usr/include"
+ 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_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+ -DLLVM_LIT_ARGS="$(get_lit_flags)"
+ -DPython3_EXECUTABLE="${PYTHON}"
+ )
+ fi
+ cmake_src_configure
+}
+
+multilib_src_compile() {
+ cmake_src_compile
+ if [[ ${CHOST} != *-darwin* ]] ; then
+ local libdir=$(get_libdir)
+ gen_shared_ldscript
+ use static-libs && gen_static_ldscript
+ fi
+}
+
+multilib_src_test() {
+ local -x LIT_PRESERVES_TMP=1
+ # https://github.com/llvm/llvm-project/issues/153940
+ local -x LIT_XFAIL="libcxx/gdb/gdb_pretty_printer_test.sh.cpp"
+ cmake_build libcxx-test-suite-install-cxx
+ if [[ ${CHOST} != *-darwin* ]] ; then
+ local libdir=$(get_libdir)
+ cp
"${BUILD_DIR}"/{,libcxx/test-suite-install/}"${libdir}"/libc++_shared.so || die
+ if use static-libs; then
+ cp
"${BUILD_DIR}"/{,libcxx/test-suite-install/}"${libdir}"/libc++_static.a || die
+ fi
+ fi
+ cmake_build check-cxx
+}
+
+multilib_src_install() {
+ cmake_src_install
+ # since we've replaced libc++.{a,so} with ldscripts, now we have to
+ # install the extra symlinks
+ if [[ ${CHOST} != *-darwin* ]] ; then
+ local libdir=$(get_libdir)
+ is_crosspkg && into /usr/${CTARGET}/usr
+ dolib.so "${libdir}"/libc++_shared.so
+ use static-libs && dolib.a "${libdir}"/libc++_static.a
+ fi
+
+ local install_prefix=
+ is_crosspkg && install_prefix=/usr/${CTARGET}
+ insinto "${install_prefix}/usr/share/libc++/gdb"
+ doins ../libcxx/utils/gdb/libcxx/printers.py
+
+ local lib_version=$(sed -n -e 's/^LIBCXX_LIBRARY_VERSION:STRING=//p'
CMakeCache.txt || die)
+ [[ -n ${lib_version} ]] || die "Could not determine
LIBCXX_LIBRARY_VERSION from CMakeCache.txt"
+
+ insinto "${install_prefix}/usr/share/gdb/auto-load/usr/$(get_libdir)"
+ newins - "libc++.so.${lib_version}-gdb.py" <<-EOF
+ __import__("sys").path.insert(0,
"${EPREFIX}/usr/share/libc++/gdb")
+ __import__("printers").register_libcxx_printer_loader()
+ EOF
+}
+
+# Usage: deps
+gen_ldscript() {
+ local output_format
+ output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 |
sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
+ [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT (
${output_format} )"
+
+ cat <<-END_LDSCRIPT
+/* GNU ld script
+ Include missing dependencies
+*/
+${output_format}
+GROUP ( $@ )
+END_LDSCRIPT
+}
+
+gen_static_ldscript() {
+ # Move it first.
+ mv "${libdir}"/libc++{,_static}.a || die
+ # Generate libc++.a ldscript for inclusion of its dependencies so that
+ # clang++ -stdlib=libc++ -static works out of the box.
+ local deps=(
+ libc++_static.a
+ $(usex libcxxabi libc++abi.a libsupc++.a)
+ )
+ # On Linux/glibc it does not link without libpthread or libdl. It is
+ # fine on FreeBSD.
+ use elibc_glibc && deps+=( libpthread.a libdl.a )
+
+ gen_ldscript "${deps[*]}" > "${libdir}"/libc++.a || die
+}
+
+gen_shared_ldscript() {
+ # Move it first.
+ mv "${libdir}"/libc++{,_shared}.so || die
+ local deps=(
+ libc++_shared.so
+ # libsupc++ doesn't have a shared version
+ $(usex libcxxabi libc++abi.so libsupc++.a)
+ )
+
+ gen_ldscript "${deps[*]}" > "${libdir}"/libc++.so || die
+}
