diff options
| -rw-r--r-- | llvm-runtimes/libcxx/Manifest | 2 | ||||
| -rw-r--r-- | llvm-runtimes/libcxx/libcxx-21.1.0_rc1.ebuild | 208 |
2 files changed, 210 insertions, 0 deletions
diff --git a/llvm-runtimes/libcxx/Manifest b/llvm-runtimes/libcxx/Manifest index d9684e3cff76..66a0c36e1628 100644 --- a/llvm-runtimes/libcxx/Manifest +++ b/llvm-runtimes/libcxx/Manifest @@ -14,4 +14,6 @@ DIST llvm-project-20.1.7.src.tar.xz 147245448 BLAKE2B f7c57d1eba4e97e875b624dec3 DIST llvm-project-20.1.7.src.tar.xz.sig 566 BLAKE2B 72ce2a18c211cfce9581a9e3e71f1c55cf18672aa355267581220e1a89e3327f9e16107970b69bb8f10f390baa5e286487bdc4cc0a7d9155ec13a4977cd3f472 SHA512 eff885059d547f57b98bda1fc9631f716ca6c650cd48203d9ed5443a6afb9a2d4d91d3f5c8618e307c0a44b3040bce61fdc6bce965073adc537655755d9f2112 DIST llvm-project-20.1.8.src.tar.xz 147242952 BLAKE2B 7657ac0b26acc5affb1bfc91b912ade3191c5d77f3979d5a80d5f6ce52f56a7d1c448bd257398390bf10838f02faa6f3ece37a7327cced69d165ec2e2e699316 SHA512 f330e72e6a1da468569049437cc0ba7a41abb816ccece7367189344f7ebfef730f4788ac7af2bef0aa8a49341c15ab1d31e941ffa782f264d11fe0dc05470773 DIST llvm-project-20.1.8.src.tar.xz.sig 566 BLAKE2B 85beedfcff1195a974fab2c667b9efd4b715b3480c1b44b1b887fe32c69f72aca0d3b8fb276c03b6cc5a866622f669047aeee5ccb976640b4008ccd31dce77a4 SHA512 d74369bdb4d1b82775161ea53c9c5f3a23ce810f4df5ff617123023f9d8ce720e7d6ecc9e17f8ebd39fd9e7a9de79560abdf2ffe73bcb907a43148d43665d619 +DIST llvm-project-21.1.0-rc1.src.tar.xz 158955624 BLAKE2B 6a33d48f41f92cd8731011678afdf4c6f6a4581af04483626c511d1c9410d62788eb660e05cdfe418085509b576c29eec5bb07ae7ddc993e9931287657c11e03 SHA512 7ab3d1bb49bd3c5c9c1490cd865fdef027c25d64bb7f6a2a16c11c311670d08b7a214323ae4781aa0f49973deb0039ebea9d04887089df8dedf65080acdfc871 +DIST llvm-project-21.1.0-rc1.src.tar.xz.sig 438 BLAKE2B d3736b7f4bb6133e542fb3f52d1b76acc2920558e61bbbeeec6e5b7639ca54e229803b27baa4aedd2134c11fb4439064ac36e90c8c1831a503dd1754efee8da6 SHA512 6b9565f270fae4e534a160916bbd01ccd0e1295bf17df13f3be05bed4f058c0e935ba7385aba74a195d3a13868d81f2a0cf4be966b216fc6d7b56002f33eb4a0 DIST llvm-project-b6313b381ac0e83012ea11b4549cd8cb39b686d2.tar.gz 242588863 BLAKE2B 81e7db20b849ce7a5c7c6b03d1e62a2e225eb68473509baf0adc9e74a2f759d251b61b018528d5db93f77b65ac355a71ede81bec7e97f9c71a41f34a5d8625bd SHA512 258b99ef79d7efd4ec58d6a5370969b8032149f05fea4dfa841398ed59a550219f4223cd79581bc6fc4428dd9b09f44abf9f5369348831f463b9eb401a614d61 diff --git a/llvm-runtimes/libcxx/libcxx-21.1.0_rc1.ebuild b/llvm-runtimes/libcxx/libcxx-21.1.0_rc1.ebuild new file mode 100644 index 000000000000..fd4499e9fa26 --- /dev/null +++ b/llvm-runtimes/libcxx/libcxx-21.1.0_rc1.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_{11..14} ) +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 +} |