commit: 32d223d187fe3c7afe6cdacd910d7b3765e8dd75
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sat Jun 8 10:25:13 2024 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sat Jun 8 10:28:03 2024 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=32d223d1
sys-libs/libcxx: Add 19.0.0_pre20240608 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
sys-libs/libcxx/Manifest | 1 +
sys-libs/libcxx/libcxx-19.0.0_pre20240608.ebuild | 210 +++++++++++++++++++++++
2 files changed, 211 insertions(+)
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index a4706c5e79a6..e3e96b837f10 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -10,5 +10,6 @@ DIST llvm-project-18.1.6.src.tar.xz 132064976 BLAKE2B
d38d8026068de371dc4bc288c6
DIST llvm-project-18.1.6.src.tar.xz.sig 566 BLAKE2B
4b4a1ec2f084b0728134b9c04775db5938e571f1d7c7aa45b985bed490dcfd2cceab2069a43d4ce7766faec703310a376b83565af317e5f60bf10bc06a732395
SHA512
fbae037d39f4f1c13babafd42dee719f3d79f0e2142cc319f59fb319361a1db8ce65fa736a0e2a5e702ac49e3b8323374be6cfa1003f96b0887fa1894e2b6dee
DIST llvm-project-18.1.7.src.tar.xz 132063384 BLAKE2B
b8c37bd131fb5f3131bfab4fbad7aa811079ca10723faa14779253bc62b1ee08d4e04650e1da883297ed88a62d518b868a1f13cf57d03233254fd01209da5c02
SHA512
0f67818267803aca9d2bc9eb89335ee6dc56269e8066a0f8a48c4a959e8805dbf6bc839b9f96a92f86ee50d72e7cc326ffe18febb5eb06751ab54a217c0221c8
DIST llvm-project-18.1.7.src.tar.xz.sig 566 BLAKE2B
9ae6d80eba5309ce3d5cba580df57c28dbcf429266b2ced622465e34ab2a7ae0f100d1e89c73a44abccd95a3367979344450fd53fb6a2baa029b929d3f13eee3
SHA512
7e5601e35f4fcaa4ed042638ae5a4fb90714c9dce58aa3f98e965568660b88294185621a4eb5547de262dca8a96f620db3f94932bb1776661e345dbe1266315c
+DIST llvm-project-5aabbf0602c48b67bb89fd37f95bf97c95ded488.tar.gz 212582616
BLAKE2B
78522148bb4993bd26b16f1e3f44c2baf617705667c7fb104edc844c4330017166c783adae2f0215ca7463c05d1eef30fdf02b13241a9497aaede36bb8580a26
SHA512
104e0b5b4f34102f2da03cd54fe9bf5f7fb6efb3a9745d8ec85caa5f92189fde4a5c02c327243d87ff5c7d24b3790fcabdf0ef7144e79e15765785ca72dd3841
DIST llvm-project-702198fc9ac5dba392f9d9ba7c56467996343c0a.tar.gz 211764675
BLAKE2B
b28203faf5c4e51236da3e3abac969cffe6f93ce6757a81b5a577187ec236fc0b124fe6a370d1f4e803deab781606a7caf0b411780cc84ee08a8de942c4fc479
SHA512
b4217403abf4166eb8eccfd304bcaa2e15d5b67c4f996d51e0745d197e4b9eda1dd5a5b1d7c384effc25f53bb1229edda9618e172abe3be1a94a9569f7c5b0b7
DIST llvm-project-7dc2f6602212bf0a0433c157b70e4fc0d70bb730.tar.gz 211903416
BLAKE2B
4a2f12e0aa234d507d2fc2136a1d98a7624147ce6e401831743e640abcaceb5152c80ba2dc312f9256e4a04be2ad065d1a57dbe5dc24f2d3edc9d65888986710
SHA512
c9eb99f666fc15b29f01a1b2a4b3c6edd3a726033533111e60763c6313a4af8c9dba3396856d6650ac5e666d00941efcc944fac85a4483748bbbea9475e6daf8
diff --git a/sys-libs/libcxx/libcxx-19.0.0_pre20240608.ebuild
b/sys-libs/libcxx/libcxx-19.0.0_pre20240608.ebuild
new file mode 100644
index 000000000000..8713b12c69fb
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-19.0.0_pre20240608.ebuild
@@ -0,0 +1,210 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+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? (
+ ~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() {
+ 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() {
+ 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=$(usex elibc_musl)
+ -DLIBCXX_INCLUDE_BENCHMARKS=OFF
+ -DLIBCXX_INCLUDE_TESTS=$(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 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
+}
