commit: f6478200abec53984481bf645f73e85955ea792a
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sat Mar 29 10:25:48 2025 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sat Mar 29 10:25:48 2025 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f6478200
llvm-runtimes/libcxx: Add 21.0.0_pre20250329 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
llvm-runtimes/libcxx/Manifest | 1 +
.../libcxx/libcxx-21.0.0_pre20250329.ebuild | 208 +++++++++++++++++++++
2 files changed, 209 insertions(+)
diff --git a/llvm-runtimes/libcxx/Manifest b/llvm-runtimes/libcxx/Manifest
index d4bd7f772410..391745d56770 100644
--- a/llvm-runtimes/libcxx/Manifest
+++ b/llvm-runtimes/libcxx/Manifest
@@ -16,3 +16,4 @@ DIST
llvm-project-1c3a9a853ce68c3c539e7cab21380b9d8b18f426.tar.gz 229448743 BLAK
DIST llvm-project-1d133420dc512487e2be0e9d86755f2a7c3497a7.tar.gz 229268288
BLAKE2B
aca79bcca631deeab429a03cd2732d78d8ecf0c9615bce181445ed875436806609dc85a57d4f97109492833d620d060ea93fed450a4912c2d94597aeabf84974
SHA512
24ecadfccdf785bfbf27d5007afd2a4d5868493b2c5f48d6cf07c335bfbfef5cba4f12a639971e5f95877ae3b8c7b7fc0c210e404d21036af553de82a5059037
DIST llvm-project-20.1.1.src.tar.xz 147215020 BLAKE2B
d1774d060036b5340f765d68cc23cbd1e00730874cb3e65b7236303238d7922a7fa191b631c20c3bf17e54c933672a355d4424f2beea17cd25fcf9f5c4c625dd
SHA512
b851d3e24a2775f6e789720614a8192d72956f447a39d75e5160a8acf6bd3a3386fab2cca5590b7e020b65e408ccf32432f8dc03519fd4cf60b4b5674fe0547e
DIST llvm-project-20.1.1.src.tar.xz.sig 566 BLAKE2B
76c49401d9b8e283fc29586c32fc1b5205d76b3b83d0f99aa2ac09a63b058478e08588dcfbfc728110172b639eeaf04a884f4e6d707b94cad0dbf2d0dcb30a4f
SHA512
469b03f3ddbe56b074724375b09a45ee2730bee0ba4b25f64f93d93ef609c33d39136f051c216a74a35d98a70ffcd3d7507e38d19a20d5006c29a954ca32813b
+DIST llvm-project-21eeca3db0341fef4ab4a6464ffe38b2eba5810c.tar.gz 229546432
BLAKE2B
e783f08b93498b252741a07fd3aa3383ca93f66688f9bbdb2e11185c660dfff1020ab4a1ca803ab69ab28dc2fd8b5c3855f45c0b77851b8e6edeb0dc5bf6cbd4
SHA512
54420956b36f3bccabea2171a4103ca20d6b136e1d1f7f217e0ec735be4542bbd840ef228c55f3e9103ad2f9fb41393e611d5aaa1521d01fdd163b770b80ba0b
diff --git a/llvm-runtimes/libcxx/libcxx-21.0.0_pre20250329.ebuild
b/llvm-runtimes/libcxx/libcxx-21.0.0_pre20250329.ebuild
new file mode 100644
index 000000000000..f6f57e2287bd
--- /dev/null
+++ b/llvm-runtimes/libcxx/libcxx-21.0.0_pre20250329.ebuild
@@ -0,0 +1,208 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
+inherit 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}
+ )
+ !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() {
+ llvm_prepend_path "${LLVM_MAJOR}"
+
+ # note: we need to do this before multilib kicks in since it will
+ # alter the CHOST
+ local cxxabi cxxabi_incs
+ if use libcxxabi; then
+ cxxabi=system-libcxxabi
+ cxxabi_incs="${EPREFIX}/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}/${CHOST}"
+ fi
+
+ multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+ if use clang; then
+ local -x CC=${CHOST}-clang
+ local -x CXX=${CHOST}-clang++
+ strip-unsupported-flags
+ fi
+
+ # link to compiler-rt
+ local use_compiler_rt=OFF
+ [[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+ # bootstrap: cmake is unhappy if compiler can't link to stdlib
+ local nolib_flags=( -nodefaultlibs -lc )
+ if ! test_compiler; then
+ if test_compiler "${nolib_flags[@]}"; then
+ local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+ ewarn "${CXX} seems to lack runtime, trying with
${nolib_flags[*]}"
+ fi
+ fi
+
+ local libdir=$(get_libdir)
+ local mycmakeargs=(
+ -DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
+ -DPython3_EXECUTABLE="${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=${use_compiler_rt}
+ # this is broken with standalone builds, and also meaningless
+ -DLIBCXXABI_USE_LLVM_UNWINDER=OFF
+ )
+
+ if use test; then
+ mycmakeargs+=(
+ -DLLVM_EXTERNAL_LIT="${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 [[ ${CHOST} != *-darwin* ]] ; then
+ dolib.so lib/libc++_shared.so
+ use static-libs && dolib.a lib/libc++_static.a
+ fi
+}
+
+# Usage: deps
+gen_ldscript() {
+ local output_format
+ output_format=$($(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
+}
