diff options
-rw-r--r-- | sys-libs/libcxx/Manifest | 2 | ||||
-rw-r--r-- | sys-libs/libcxx/libcxx-17.0.1.ebuild | 204 |
2 files changed, 206 insertions, 0 deletions
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest index 6cebf2251623..0a32296d4120 100644 --- a/sys-libs/libcxx/Manifest +++ b/sys-libs/libcxx/Manifest @@ -9,4 +9,6 @@ DIST llvm-project-16.0.6.src.tar.xz 118013488 BLAKE2B 95192d39cbd2914e5609db3659 DIST llvm-project-16.0.6.src.tar.xz.sig 566 BLAKE2B 2060cebd5ed57cb8a86a44238c43dfd4b921649298b10c3d19da308374c1e49869174294e29943c2af459fe06428264e26881d6c1288ebbc48686cc2cf467c7a SHA512 ca249262c7102e0889ec1bdc6f71a3a6f0e7e5d5fbab8abcd6fccd2871e7955eff7af5b055a76006097baf0dfaf2f5069eff3035b3107fc552abdb2481b21447 DIST llvm-project-17.0.0rc4.src.tar.xz 127838724 BLAKE2B e3bf524e55db5e4305099ecdff09c0d3eab7957a5f8729eefe636e361460f405fbfd569af38aa39eea3b6c1e024feaa0400f8bc092194f2c3b54c695e7962591 SHA512 be7b5ad136d03864dbd11a589ca9e8b0b04a4226ebcffcc123b3ba72992f704bab4f9550d03eb2ac1d21fb8b73ac7824398b4cb4c9cec2118efb112babfe0f65 DIST llvm-project-17.0.0rc4.src.tar.xz.sig 438 BLAKE2B 2cda35b4a3ebddfdbe6828459c8bd8fdfaa8e04d2d1c4f2faf16f5c66909186d2dd73e6a163cf733d8955c007249cf3f62f237855d5a76b1b61f3bfa30e4972d SHA512 5f713e05b7c58fab6e9cc43f2f3f69120482c9b60008146da0cddb266d1a5c9b9a77e1e338fce4e15624b332ac53a90c5c4a6f62c58a77f2122a015b4f0ebed2 +DIST llvm-project-17.0.1.src.tar.xz 127830376 BLAKE2B bb3b9f7358df9006307f5eeccfc5c5ee5497498c4f091347924911cb6534e8d930024c35387456af24bf647d9e24a3d927aa49199036fb475018a610b5d792c7 SHA512 6fc1d5ff4fec49ef5bb495ba9d8f9ee9052c10999ec9d3ac8f825c718e3cdd64abd95408c4e5bb7f67eb9a7bfac9e26d2a949c4da9f163b5646c02e8a670ead5 +DIST llvm-project-17.0.1.src.tar.xz.sig 438 BLAKE2B 3182e3c3a48635fdec39b945ee3b782d7c9c2a07911d9ede2e3421031bb1b4959bd495c5e39d094aeaf555579b9fe3eb834c1449077c154c629f5db605375e7c SHA512 301a6e6c46d6fee13c86dec1a021c35f6bf3a97e5d6b0aa7b7eac34e7ca52f6cefffc25a9e376250b1eb721a65a5852f2f1948abd432698363a81dd7ee19d81c DIST llvm-project-7e5809e7e7bc9a828427b6540a51d45884d8bbbb.tar.gz 197275742 BLAKE2B 17df09155cf3451deffcdd71a4b0602211a4638ad961eb351802028f4fd1b8db870bef817430adb709ea7c1e85f545d7507c06d7fca26869f8a10e6ac6b03967 SHA512 e84aa041aadf3e50376cffd1e92c1447acdca0a2cf8e7df9cca9d0337dfeccb1d022da3a229bb0cfdc9c5fb87215682a1e4f474208b09b8800f30aa0c6e36c4b diff --git a/sys-libs/libcxx/libcxx-17.0.1.ebuild b/sys-libs/libcxx/libcxx-17.0.1.ebuild new file mode 100644 index 000000000000..61280232d24e --- /dev/null +++ b/sys-libs/libcxx/libcxx-17.0.1.ebuild @@ -0,0 +1,204 @@ +# Copyright 1999-2023 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" +KEYWORDS="~amd64 ~arm ~arm64 ~loong ~riscv ~sparc ~x86 ~x64-macos" +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-util/cmake-3.16 + sys-devel/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 +} + +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=${use_compiler_rt} + ) + + if use test; then + mycmakeargs+=( + -DLLVM_EXTERNAL_LIT="${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 +} |