commit: 6935f46b0c4d1ddb9087df8b0be8277bca4087a8
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Tue Feb 25 12:50:21 2025 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Tue Feb 25 14:03:15 2025 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=6935f46b
llvm-runtimes/libcxx: Add 21.0.0_pre20250225 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
llvm-runtimes/libcxx/Manifest | 1 +
.../libcxx/libcxx-21.0.0_pre20250225.ebuild | 208 +++++++++++++++++++++
2 files changed, 209 insertions(+)
diff --git a/llvm-runtimes/libcxx/Manifest b/llvm-runtimes/libcxx/Manifest
index 51d3a7f96842..887d726fc8dd 100644
--- a/llvm-runtimes/libcxx/Manifest
+++ b/llvm-runtimes/libcxx/Manifest
@@ -17,3 +17,4 @@ DIST llvm-project-20.1.0-rc2.src.tar.xz.sig 566 BLAKE2B
aa91f7be228e51b0f2234bb5
DIST llvm-project-2cd8207b26ea4269630feba661f68554d7ae3c15.tar.gz 227261597
BLAKE2B
51ce992b651fcf08b7fd520420040803b59f1260947953325400c50bec576c418b162d8ae2d2307e70b885b1185c302a97409bcfe48cdb14b8e1384f4e2dfa9e
SHA512
a41749943508ea4a18b47c4e947917b5268544e64372c0c3347f9ab8172a2c229d8b1d813d1e842be1b98aedd624524857ed3bb23fe98ad5f36e7a71581abb4b
DIST llvm-project-581599096e8a1a89ccd3e053a1209c69a9079083.tar.gz 227830555
BLAKE2B
28a04dd5ce96716d389fe049c4b877f55d6e5cad5c77d8867dd7e3a448213ef413e4f4d7d5f77b0702b26a8eb25f53e08d90e2a5a97eaa3f89245531d9f6626d
SHA512
d775aea9bf71d60673e966a689ff6b933afecab2c133a1f64a158551ba9db049221148eab5087bab0ce0ff917456b85fb4ea4d7284886326f54617d167a385a5
DIST llvm-project-c30a7f459452d5766da244564bc1d5888346c364.tar.gz 227560986
BLAKE2B
c1c833aa6d488530826d96db81ca8be2fcf842ccf5b10a65ff18269fdfa32fa2742fb0a547eb315c2a9ee383e1b6b6cce4a78136e1740e04d322c79fb6a66a86
SHA512
0b68d3462e5eac89f50cff5e64603758ab74c701ff2de88c8569dd45b7e702b5d13b26c2745615c0c355d46d13765f47e4d43e61cde735240c6f386c0090becb
+DIST llvm-project-d254fa877f419e61e54709f0a6f2e891da893a60.tar.gz 228028122
BLAKE2B
3321f3b205dfcd672d52122d7ba8e4e737916e01f5041a0dc140722f64359476632e036da0e0692cd366b080a073292cfdb4963e973bf800afabc20d06a2e86b
SHA512
135c4864973b682cf41953d43d977eaa219a4a898fceb4b4a8cacbbc6a5dd271d26010b1db6c6c90e761bf3495036f3e7528ab259d48c9c4dc4a064332c0326f
diff --git a/llvm-runtimes/libcxx/libcxx-21.0.0_pre20250225.ebuild
b/llvm-runtimes/libcxx/libcxx-21.0.0_pre20250225.ebuild
new file mode 100644
index 000000000000..3bd46e20f1ca
--- /dev/null
+++ b/llvm-runtimes/libcxx/libcxx-21.0.0_pre20250225.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=$(usex elibc_musl)
+ -DLIBCXX_INCLUDE_BENCHMARKS=OFF
+ -DLIBCXX_INCLUDE_TESTS=$(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
+}
