commit:     60fd8c2113d3d58d725bfd9a7808dfd71e9a3ff2
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Mon Jan 26 15:35:54 2026 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Mon Jan 26 15:35:54 2026 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=60fd8c21

llvm-runtimes/libcxx: Add 23.0.0_pre20260125 snapshot

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

 llvm-runtimes/libcxx/Manifest                      |   1 +
 .../libcxx/libcxx-23.0.0_pre20260125.ebuild        | 260 +++++++++++++++++++++
 2 files changed, 261 insertions(+)

diff --git a/llvm-runtimes/libcxx/Manifest b/llvm-runtimes/libcxx/Manifest
index 9cecc8047808..5b45cac8217a 100644
--- a/llvm-runtimes/libcxx/Manifest
+++ b/llvm-runtimes/libcxx/Manifest
@@ -16,3 +16,4 @@ DIST llvm-project-21.1.8.src.tar.xz 158958576 BLAKE2B 
0d3d4ee920f8e5db50e9815261
 DIST llvm-project-21.1.8.src.tar.xz.sig 119 BLAKE2B 
cffc1825f5778a3e3c128ec3e856ff6ee50687319d621cdf42e895abf67e05cc51cb7493308e2b506ab60dbdbaca7aa75eb9f78d91d42c81f9682a36f4042e9d
 SHA512 
10f58eff58ed6e701d0f123b15e68c82ab8cbdf99b1c86c0d83e3b8553e90ea51055e30327e8e442ded57c8f503e2a2de9ee075e9c28b5ba815a0f8922f8671c
 DIST llvm-project-22.1.0-rc1.src.tar.xz 166976000 BLAKE2B 
eec2cf8822aa6937c751d94f07c6505a3cebda83c544299ff8eaeeedbadc36054b32fb1a0b655993bd604f9c82ac6fa419e974b1dc9c3f4b6c35aa94e9f4e929
 SHA512 
545ca31b2a24cab3d3a8d5ebfa2a25439eab4258cef01b53706a7a9e5174a75050fb3d36ad2ac4ebb9a23e34a005707c73383cd3cddd78f6789f5b1d4d446e7c
 DIST llvm-project-22.1.0-rc1.src.tar.xz.sig 119 BLAKE2B 
e3d5a6c00d7960b0694919ff083e02f0273e97da6a40ad452fbb8261b9edfc52d4262733d82a59f03ad7d15b3b62de743b37a1b2e191417443ecb730520be376
 SHA512 
51326b9402d7719c491ac5c6ab80a678896743dd88e3f997245adb77e7b3f5e0f84f6389c75872aea268de8a7a049684c84cdf575c1f19c4971bb280a9374de6
+DIST llvm-project-9eaa1ff11ccde52f2e3bf86f253b6b646548c7cc.tar.gz 259436517 
BLAKE2B 
effc5d342ef8440834d03ca7f9d56dc9f5a0aaa10f62aa81fb3d468cfcd0f28a41b343dc12d91e087a5e509a8bb6aa00b477582f42b87efbf22ea580b48a981e
 SHA512 
fda87f688a8a3626c3b025d2a783d7deb0c64ae83cb9c9c89adb73eba764435981545844eb654d7094361fb3786ea955101ba261f0e4af5ee4beffdd9c2449d7

diff --git a/llvm-runtimes/libcxx/libcxx-23.0.0_pre20260125.ebuild 
b/llvm-runtimes/libcxx/libcxx-23.0.0_pre20260125.ebuild
new file mode 100644
index 000000000000..7d224001ae1b
--- /dev/null
+++ b/llvm-runtimes/libcxx/libcxx-23.0.0_pre20260125.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
+}

Reply via email to