llvm-runtimes/libcxx: Add 21.1.7

Signed-off-by: Michał Górny <mgorny@gentoo.org>
This commit is contained in:
Michał Górny 2025-12-02 10:36:20 +01:00
parent 022a057871
commit f5763c77c1
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2 changed files with 256 additions and 0 deletions

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@ -17,5 +17,7 @@ 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-21.1.7.src.tar.xz 158956584 BLAKE2B dc9738fdde764d520f0e6d615295133a96833935b38239ea2ec6dffe72558d01332905fa265a55eb105ab4c4f88f37d5b3427126b1f7c788dc266add581cdf25 SHA512 ae30a53ed929df979849f7433bf705bc3d540aa9e12a02a175eb2483d1a56f9ca1203c9b67795f6e84cf2407c28d46d5d5351b290d8735adb5206103fee6f379
DIST llvm-project-21.1.7.src.tar.xz.sig 438 BLAKE2B be4808a0888b088df0be4edaa7d49361dee717508d4438ad09c18b00752cd7a14ef56f5f18e3e4306a9ace95d9da7ed6904c998eb8a386577f21049bf5b6c0ce SHA512 d02b09c77abd537eb24d6d43470f962c80a9ec6ccc03ac0efc950d90dbdec5b94dd6abad18143890ff85cee2bdeb7bcf1dac2a576ffcab8ef053d8526417bdcc
DIST llvm-project-21c4c1502e3383988ba77eac75b13da7b9426957.tar.gz 254650569 BLAKE2B aaa8fffbe3b8ddcffa232c6cd078d33efc0f23453fd79b2ae71a0760b35da2ad17ffaed95d99c2548904468767d9f95af2ca4a59245e1ddf51a6612bda61cda4 SHA512 40a97c53cf7825b5c1e6867df74fa22e3b786a2ec9bcb478e1af0e6a165c582316c3c75b12f4704227b8e95cce91ab110acb10f2d8f30bc82319d6af4d201956
DIST llvm-project-8401a8d0be7671fb5089f850a34dc92ad4a2eb12.tar.gz 254694831 BLAKE2B edac68e2b57124504262d68d1fabbb2161af023c2b9f96f304ce220e3d84249e2a2c1137c83bcfb15f6f082b68ef24a775150e5f435ec14d0f471c51ec438346 SHA512 a35f918fc3363df20fecac5820595060acd9fa0bce2cc3f696603192100a63ff4d31f6ba6ac98ad13f62b01c0789f3cce2ecbe4b9c0095d2bf02d2b24971d973

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@ -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
}