commit: 5971a328f72151dfd0684fa157fbb0cd67fff120 Author: Michał Górny <mgorny <AT> gentoo <DOT> org> AuthorDate: Mon Jan 22 12:58:21 2024 +0000 Commit: Michał Górny <mgorny <AT> gentoo <DOT> org> CommitDate: Mon Jan 22 14:07:56 2024 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=5971a328
sys-libs/libcxx: Add 18.0.0_pre20240120 snapshot Signed-off-by: Michał Górny <mgorny <AT> gentoo.org> sys-libs/libcxx/Manifest | 1 + sys-libs/libcxx/libcxx-18.0.0_pre20240120.ebuild | 213 +++++++++++++++++++++++ 2 files changed, 214 insertions(+) diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest index 565a44864cf3..949b10a9e895 100644 --- a/sys-libs/libcxx/Manifest +++ b/sys-libs/libcxx/Manifest @@ -7,4 +7,5 @@ DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43 DIST llvm-project-17.0.6.src.tar.xz 127838860 BLAKE2B d6ede1a9fda8756995c3e0654111941649e15794179641806f18919f1dc68c41ca0cabd5693b5096d05dccc3a391cd20d34af1137bf8af92ed3117a1ce84d1b2 SHA512 6d85bf749e0d77553cc215cbfa61cec4ac4f4f652847f56f946b6a892a99a5ea40b6ab8b39a9708a035001f007986941ccf17e4635260a8b0c1fa59e78d41e30 DIST llvm-project-17.0.6.src.tar.xz.sig 438 BLAKE2B 186e75b6a0fbfe1e85408589c149e1800fcc47d685b74e4260018e05cd08bc793d1d1197c9c50e177eea941a3d0c65cb0c583ce6dae449099b920adf8a508ef7 SHA512 f78c55053a6450625f3e95f52c305110b4468a9854fec75831b65b8d6ceee3c9206ab9e63c4b5fda8be9bd344f72cfbdaae0520ed240abd505e08ebeaa25d340 DIST llvm-project-8d817f6479a5df874028a8b40fd30aecd3479005.tar.gz 204890108 BLAKE2B 8c57c556371b37d00cda753a40f1162e678d89fa40e8f2b90a38aab7e17f9debfb2ebad53a3a95aa530a9e3e2b4b735828e404e576c8f2738370ec41c28badce SHA512 a38ce082ca1b999888ee0a633b94a02258579591e6ce73ba4722eafb9f0610f9624887eca43e4a6ae567c07ffc014f4ea4137e905899407951265d7c93785f18 +DIST llvm-project-9eb0f86c279f40a792ec27bf0e9b491b8c90a640.tar.gz 205195168 BLAKE2B c3d051270958216196d6051d41e78168a7027714c5658c7edc70d274ed91f9d4ee16e8d1f92672bf252c65005c636c380766210ac3d80b4ac2f9f6305aefa29b SHA512 ee62acdfa756a2ddeb46fcafa364489885b6ecc50c87f365af42f308ebc87b9674c33c2f5a84c5169d9c9cada08e4fffe35d2eff48f05b70e791e27ac2c8b347 DIST llvm-project-a085402ef54379758e6c996dbaedfcb92ad222b5.tar.gz 204569231 BLAKE2B 75403225fbe54f0921b279b237a90f1922b16997d1538fa5f225e04451fa2fc4a28e886efb7460ef0c26a3a964f0c57084e331b0736fa223926259c76d873200 SHA512 b8c6b0c7c0a4c369ecfa7ac71cf96549a19853e14bdf061b6b54429ce7ed998b236bb9ed3adbd6bf1c70c7e975508f751ebd0031ac2ff474d32216048a1c5f2d diff --git a/sys-libs/libcxx/libcxx-18.0.0_pre20240120.ebuild b/sys-libs/libcxx/libcxx-18.0.0_pre20240120.ebuild new file mode 100644 index 000000000000..a24b477a5ab8 --- /dev/null +++ b/sys-libs/libcxx/libcxx-18.0.0_pre20240120.ebuild @@ -0,0 +1,213 @@ +# Copyright 1999-2024 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +PYTHON_COMPAT=( python3_{10..12} ) +inherit cmake-multilib flag-o-matic llvm llvm.org 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" +IUSE="+clang +libcxxabi +static-libs test" +REQUIRED_USE="test? ( clang )" +RESTRICT="!test? ( test )" + +RDEPEND=" + libcxxabi? ( + ~sys-libs/libcxxabi-${PV}[static-libs?,${MULTILIB_USEDEP}] + ) + !libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] ) +" +DEPEND=" + ${RDEPEND} + sys-devel/llvm:${LLVM_MAJOR} +" +BDEPEND=" + clang? ( + sys-devel/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} 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() { + # Darwin Prefix builds do not have llvm installed yet, so rely on + # bootstrap-prefix to set the appropriate path vars to LLVM instead + # of using llvm_pkg_setup. + if [[ ${CHOST} != *-darwin* ]] || has_version sys-devel/llvm; then + LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup + fi + 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 +} + +src_prepare() { + # hanging tests + # https://github.com/llvm/llvm-project/issues/73791 + rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_* || die + rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.*_equals* || die + + cmake_src_prepare +} + +test_compiler() { + $(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \ + <<<'int main() { return 0; }' &>/dev/null +} + +src_configure() { + # 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_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 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 +}