sys-libs/libcxx: Add 19.0.0_pre20240410 snapshot
Signed-off-by: Michał Górny <mgorny@gentoo.org>
This commit is contained in:
Michał Górny
parent
aa56336b70
commit
5d9b22456e
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@ -10,3 +10,4 @@ DIST llvm-project-17.0.6.src.tar.xz.sig 438 BLAKE2B 186e75b6a0fbfe1e85408589c149
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DIST llvm-project-18.1.3.src.tar.xz 132049300 BLAKE2B 0681177cfe6a65f5cf11942381078388e8f5d9d5a4bb50b040e4c10a3898e7311ff379fcca008e82e4bef225792a38eb77f722c972725b9251a0fda29d8d7ecc SHA512 b8b8a00c560bc7d4c4b5d533b92dbd52f2c0254f0acf687e787e8b7fa780cd5d96f6e9709356d2c406c0b36b186dee4de6b1bc1928a97de0bda863fa873e0783
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DIST llvm-project-18.1.3.src.tar.xz.sig 566 BLAKE2B dcecf41346cc864c6e5bedd3a7db3db4f32a68534364d2537a15ca7e4e2f2d35a22722385ac556d2a4ac48ab37567566094f223534e696299f98040e702146d0 SHA512 b7e50779841891e9ed9de5ed917c5be3209a52a5d98c67a032509ae8fad8a2a882bf619c66d2ee45bb53dfb03d750cb94dc4b2750ec2a8edb0465700d5bc657c
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DIST llvm-project-a8b0ecd2605ff23f495a8af64e06c35f86834e54.tar.gz 208451583 BLAKE2B 3f8557637b9d10ed924cfec0b3e83d85996417df24b317cac55740aa199ef97cf7560fe634debd1dbfc7c9fc25aa2b2643fccaecc4c866481dc57b11eba1d02f SHA512 1f4bf5a8a59582af426ad13cc828e1e482c5c831ed5a4bb0da419ed3cf67e5e485fd36074603ad22328e35be44b8ccd2d92d1382bc7a228fdf38d458a2321e07
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DIST llvm-project-ee284d2da0720dc21191d6f545504cbfcf5dcbcf.tar.gz 208883034 BLAKE2B e37c9f1a6a4d0caa9a3091f979dd09f509d458f8b7b30286c77dd2385aea748b7aac6dd488c79573f82feb655aa321717bd2fb46bba4a12b388b52064f6e13bf SHA512 1335ade87cd2accc47ac47ed2ab302999e375808b158b6c9d31fac9059cbb992d2bdaaadf1fd9a1b37268c1123d43346ea4d150894d6d2e6f80ba790b65b93b1
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@ -0,0 +1,210 @@
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# Copyright 1999-2024 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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PYTHON_COMPAT=( python3_{10..12} )
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inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
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inherit toolchain-funcs
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DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
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HOMEPAGE="https://libcxx.llvm.org/"
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LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
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SLOT="0"
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IUSE="+clang +libcxxabi +static-libs test"
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REQUIRED_USE="test? ( clang )"
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RESTRICT="!test? ( test )"
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RDEPEND="
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libcxxabi? (
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~sys-libs/libcxxabi-${PV}[static-libs?,${MULTILIB_USEDEP}]
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)
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!libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )
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"
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DEPEND="
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${RDEPEND}
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sys-devel/llvm:${LLVM_MAJOR}
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"
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BDEPEND="
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clang? (
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sys-devel/clang:${LLVM_MAJOR}
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)
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!test? (
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${PYTHON_DEPS}
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)
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test? (
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dev-debug/gdb[python]
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$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
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)
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"
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LLVM_COMPONENTS=( runtimes libcxx{,abi} llvm/{cmake,utils/llvm-lit} cmake )
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llvm.org_set_globals
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python_check_deps() {
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use test || return 0
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python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
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}
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pkg_setup() {
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python-any-r1_pkg_setup
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if ! use libcxxabi && ! tc-is-gcc ; then
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eerror "To build ${PN} against libsupc++, you have to use gcc. Other"
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eerror "compilers are not supported. Please set CC=gcc and CXX=g++"
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eerror "and try again."
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die
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fi
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}
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src_prepare() {
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# hanging tests
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# https://github.com/llvm/llvm-project/issues/73791
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rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_* || die
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rm ../libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.*_equals* || die
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cmake_src_prepare
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}
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test_compiler() {
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$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \
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<<<'int main() { return 0; }' &>/dev/null
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}
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src_configure() {
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llvm_prepend_path "${LLVM_MAJOR}"
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# note: we need to do this before multilib kicks in since it will
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# alter the CHOST
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local cxxabi cxxabi_incs
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if use libcxxabi; then
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cxxabi=system-libcxxabi
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cxxabi_incs="${EPREFIX}/usr/include/c++/v1"
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else
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local gcc_inc="${EPREFIX}/usr/lib/gcc/${CHOST}/$(gcc-fullversion)/include/g++-v$(gcc-major-version)"
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cxxabi=libsupc++
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cxxabi_incs="${gcc_inc};${gcc_inc}/${CHOST}"
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fi
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multilib-minimal_src_configure
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}
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multilib_src_configure() {
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if use clang; then
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local -x CC=${CHOST}-clang
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local -x CXX=${CHOST}-clang++
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strip-unsupported-flags
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fi
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# link to compiler-rt
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local use_compiler_rt=OFF
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[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
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# bootstrap: cmake is unhappy if compiler can't link to stdlib
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local nolib_flags=( -nodefaultlibs -lc )
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if ! test_compiler; then
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if test_compiler "${nolib_flags[@]}"; then
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local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
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ewarn "${CXX} seems to lack runtime, trying with ${nolib_flags[*]}"
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fi
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fi
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local libdir=$(get_libdir)
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local mycmakeargs=(
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-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
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-DPython3_EXECUTABLE="${PYTHON}"
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-DLLVM_ENABLE_RUNTIMES=libcxx
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-DLLVM_INCLUDE_TESTS=OFF
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-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
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-DLIBCXX_ENABLE_SHARED=ON
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-DLIBCXX_ENABLE_STATIC=$(usex static-libs)
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-DLIBCXX_CXX_ABI=${cxxabi}
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${cxxabi_incs}
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# we're using our own mechanism for generating linker scripts
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-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
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-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
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-DLIBCXX_INCLUDE_BENCHMARKS=OFF
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-DLIBCXX_INCLUDE_TESTS=$(usex test)
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-DLIBCXX_INSTALL_MODULES=ON
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-DLIBCXX_USE_COMPILER_RT=${use_compiler_rt}
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# this is broken with standalone builds, and also meaningless
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-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
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)
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if use test; then
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mycmakeargs+=(
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-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
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-DLLVM_LIT_ARGS="$(get_lit_flags)"
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-DPython3_EXECUTABLE="${PYTHON}"
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)
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fi
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cmake_src_configure
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}
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multilib_src_compile() {
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cmake_src_compile
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if [[ ${CHOST} != *-darwin* ]] ; then
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gen_shared_ldscript
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use static-libs && gen_static_ldscript
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fi
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}
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multilib_src_test() {
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local -x LIT_PRESERVES_TMP=1
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cmake_build check-cxx
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}
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multilib_src_install() {
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cmake_src_install
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# since we've replaced libc++.{a,so} with ldscripts, now we have to
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# install the extra symlinks
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if [[ ${CHOST} != *-darwin* ]] ; then
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dolib.so lib/libc++_shared.so
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use static-libs && dolib.a lib/libc++_static.a
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fi
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}
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# Usage: deps
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gen_ldscript() {
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local output_format
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output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
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[[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
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cat <<-END_LDSCRIPT
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/* GNU ld script
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Include missing dependencies
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*/
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${output_format}
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GROUP ( $@ )
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END_LDSCRIPT
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}
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gen_static_ldscript() {
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# Move it first.
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mv lib/libc++{,_static}.a || die
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# Generate libc++.a ldscript for inclusion of its dependencies so that
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# clang++ -stdlib=libc++ -static works out of the box.
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local deps=(
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libc++_static.a
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$(usex libcxxabi libc++abi.a libsupc++.a)
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)
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# On Linux/glibc it does not link without libpthread or libdl. It is
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# fine on FreeBSD.
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use elibc_glibc && deps+=( libpthread.a libdl.a )
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gen_ldscript "${deps[*]}" > lib/libc++.a || die
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}
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gen_shared_ldscript() {
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# Move it first.
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mv lib/libc++{,_shared}.so || die
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local deps=(
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libc++_shared.so
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# libsupc++ doesn't have a shared version
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$(usex libcxxabi libc++abi.so libsupc++.a)
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)
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gen_ldscript "${deps[*]}" > lib/libc++.so || die
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}
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