commit: a6e8be5d8c3d6634847667f2946dfd7972ba8194
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Wed Oct 8 13:20:02 2025 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Wed Oct 8 17:28:50 2025 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a6e8be5d
llvm-runtimes/libcxx: Add 21.1.3
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
llvm-runtimes/libcxx/Manifest | 2 +
llvm-runtimes/libcxx/libcxx-21.1.3.ebuild | 254 ++++++++++++++++++++++++++++++
2 files changed, 256 insertions(+)
diff --git a/llvm-runtimes/libcxx/Manifest b/llvm-runtimes/libcxx/Manifest
index 1dc80b903006..25db72b8ee6f 100644
--- a/llvm-runtimes/libcxx/Manifest
+++ b/llvm-runtimes/libcxx/Manifest
@@ -14,5 +14,7 @@ DIST llvm-project-20.1.8.src.tar.xz 147242952 BLAKE2B
7657ac0b26acc5affb1bfc91b9
DIST llvm-project-20.1.8.src.tar.xz.sig 566 BLAKE2B
85beedfcff1195a974fab2c667b9efd4b715b3480c1b44b1b887fe32c69f72aca0d3b8fb276c03b6cc5a866622f669047aeee5ccb976640b4008ccd31dce77a4
SHA512
d74369bdb4d1b82775161ea53c9c5f3a23ce810f4df5ff617123023f9d8ce720e7d6ecc9e17f8ebd39fd9e7a9de79560abdf2ffe73bcb907a43148d43665d619
DIST llvm-project-21.1.2.src.tar.xz 158926856 BLAKE2B
1b5684586297ad637c6da0976854b24d746679e9d125a19e321dc28fa7f83949cc431f4b630e4976496660389e7abac09962c21e45b88dff7d0900ee1bda51d7
SHA512
f810ba8706872257715c05f80c304ceb396cf38b3a8e0bfb50e474e8d0a3417740b9afea170a7c06a33927037753a190471917e83d6740cb18bc50fd50cf4f3d
DIST llvm-project-21.1.2.src.tar.xz.sig 566 BLAKE2B
6209caf851c681e6f63ed1bd9589ac139c104d6ee21f463aacda472e30a847c32f3bd74a04208af05bb6203d8fa31bdc0028c0e72736a3037940e75eda615415
SHA512
dd8aa57451752a9207c276117a4b8a86f41263ea3ccc4fa198cd40d6fec79acd0ba126c4b84a1acbb52bbb2bce029fbc336deac8131be94747dd04e4a0f69331
+DIST llvm-project-21.1.3.src.tar.xz 158943752 BLAKE2B
ad9ee083584cb72fea3722feb518f6c933c3a34ba91b1ca8b724f461aa744475a783512dd6f0ab60d533c73b37e42b32a06f905d4869f770a68180649656df44
SHA512
d3058e7c18ada2a6a6192c7e75970406520e0d2ba390dba3b89e99f05959198fd2976d38c200f8e6af37fb569d866b6367bf6e0e249fe4b340dfab74499e5723
+DIST llvm-project-21.1.3.src.tar.xz.sig 119 BLAKE2B
675873fb6ce9a6b682d0ecdc5ec6ca8691d7f8f6bc72e6039a90c21f99d753a4b595f06676f9b5c1a23ebce872320cc67bd1687e8324f163ecbc4f22032bdf52
SHA512
d218a4071451e32a77890dd2e7de7a3b8a310ca85c7e6d90b88d85bad128979cf6866c9d772b880b50da2ec117832e77ba162049478c1deb7b0299cae008151a
DIST llvm-project-89ed5255b9ee88119e409a6d986eb1ad0e8f08e3.tar.gz 248431210
BLAKE2B
b98dfe5ae46190a5a2460c965f0ec51d2f65a9d1d14f82afa19a10f00a2c29520c52309ee66d71efed6361aa675abcc9bd1b5e61e1c3b1aa9bac4984050c2bc2
SHA512
f860f529f4eb67f4a5875d9931accae2f48b88486dd6715a2ca2add7d5aa1541a30e323612394162e65597054d61a879a9ba94e4dbf417c3fb5f8ff069c2d924
DIST llvm-project-b1e29ec3b73b9dd06656c7e30ace597ff72cde70.tar.gz 248630276
BLAKE2B
ea1532ba05661de37f3d6bac6643f2f3000710f4c4b8c508c9b980da64964e60cd46d0b8e18d666b75089f8ad8e2f653ac6098b4054ce8adf7cb0c36220cdf29
SHA512
36471abffd9202c637aa89c53072f0f286beffad2d3908ad50bb4c395a1be0c8138ddcbd67e0c764f59842bcc6c6c31f04a14986c7145c369217a156885ac506
diff --git a/llvm-runtimes/libcxx/libcxx-21.1.3.ebuild
b/llvm-runtimes/libcxx/libcxx-21.1.3.ebuild
new file mode 100644
index 000000000000..618ec03322e9
--- /dev/null
+++ b/llvm-runtimes/libcxx/libcxx-21.1.3.ebuild
@@ -0,0 +1,254 @@
+# 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="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"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~riscv ~sparc ~x86 ~arm64-macos ~x64-macos"
+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} ${nostdlib_flags[*]}"
+ ewarn "${CXX} seems to lack runtime, trying with
${nostdlib_flags[*]}"
+ fi
+
+ local libdir=$(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 [[ ${CHOST} != *-darwin* ]] ; then
+ gen_shared_ldscript
+ use static-libs && gen_static_ldscript
+ fi
+}
+
+multilib_src_test() {
+ local -x LIT_PRESERVES_TMP=1
+ cmake_build install-cxx-test-suite-prefix
+ cp
"${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_shared.so
|| die
+ if use static-libs; then
+ cp
"${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_static.a ||
die
+ 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 [[ ${CHOST} != *-darwin* ]] ; then
+ is_crosspkg && into /usr/${CTARGET}
+ dolib.so lib/libc++_shared.so
+ use static-libs && dolib.a lib/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 lib/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[*]}" > lib/libc++.a || die
+}
+
+gen_shared_ldscript() {
+ # Move it first.
+ mv lib/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[*]}" > lib/libc++.so || die
+}
