From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 0D6F415838C for ; Wed, 24 Jan 2024 06:33:14 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 7FBFCE2AE8; Wed, 24 Jan 2024 06:33:10 +0000 (UTC) Received: from smtp.gentoo.org (mail.gentoo.org [IPv6:2001:470:ea4a:1:5054:ff:fec7:86e4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 66B90E2AE8 for ; Wed, 24 Jan 2024 06:33:10 +0000 (UTC) Received: from oystercatcher.gentoo.org (oystercatcher.gentoo.org [148.251.78.52]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTPS id A0C223433B1 for ; Wed, 24 Jan 2024 06:33:09 +0000 (UTC) Received: from localhost.localdomain (localhost [IPv6:::1]) by oystercatcher.gentoo.org (Postfix) with ESMTP id F03FF14CB for ; Wed, 24 Jan 2024 06:33:05 +0000 (UTC) From: "Michał Górny" To: gentoo-commits@lists.gentoo.org Content-Transfer-Encoding: 8bit Content-type: text/plain; charset=UTF-8 Reply-To: gentoo-dev@lists.gentoo.org, "Michał Górny" Message-ID: <1706077975.88b6b4e8496f5f30e243e0d924decde44112d06b.mgorny@gentoo> Subject: [gentoo-commits] repo/gentoo:master commit in: sys-libs/libcxx/ X-VCS-Repository: repo/gentoo X-VCS-Files: sys-libs/libcxx/libcxx-19.0.0.9999.ebuild X-VCS-Directories: sys-libs/libcxx/ X-VCS-Committer: mgorny X-VCS-Committer-Name: Michał Górny X-VCS-Revision: 88b6b4e8496f5f30e243e0d924decde44112d06b X-VCS-Branch: master Date: Wed, 24 Jan 2024 06:33:05 +0000 (UTC) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-commits@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-Archives-Salt: b965c7cb-0855-4bd6-acb3-7bc29f64fd33 X-Archives-Hash: 703104b4cb7f59f9470b6623b2871adb commit: 88b6b4e8496f5f30e243e0d924decde44112d06b Author: Michał Górny gentoo org> AuthorDate: Wed Jan 24 05:44:32 2024 +0000 Commit: Michał Górny gentoo org> CommitDate: Wed Jan 24 06:32:55 2024 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=88b6b4e8 sys-libs/libcxx: Add 19.x live ebuild Signed-off-by: Michał Górny gentoo.org> sys-libs/libcxx/libcxx-19.0.0.9999.ebuild | 213 ++++++++++++++++++++++++++++++ 1 file changed, 213 insertions(+) diff --git a/sys-libs/libcxx/libcxx-19.0.0.9999.ebuild b/sys-libs/libcxx/libcxx-19.0.0.9999.ebuild new file mode 100644 index 000000000000..a24b477a5ab8 --- /dev/null +++ b/sys-libs/libcxx/libcxx-19.0.0.9999.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 +}