commit:     da2106257170ed84f4dc59dc28814a3bc63face8
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Tue Jan 30 20:16:22 2024 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Tue Jan 30 21:21:07 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=da210625

sys-libs/libcxx: Add 18.1.0_rc1

Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 sys-libs/libcxx/Manifest                 |   2 +
 sys-libs/libcxx/libcxx-18.1.0_rc1.ebuild | 213 +++++++++++++++++++++++++++++++
 2 files changed, 215 insertions(+)

diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index cc7200c9f8f0..6ea730edd11e 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -6,6 +6,8 @@ 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-17.0.6.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-18.1.0rc1.src.tar.xz 131969632 BLAKE2B 
0cc2f3049a89ee07182189a1ff7aec1751bfe6bbaed4887e139854737fe4eb0ec924b37d8d5b01e298d6a4b271735a615283465262345d0a288180edd6276139
 SHA512 
85afc331c8a023f4d8177cc42143b968b94d6987a7ed38b8be1170c6b4e1ef1a79d2d4e44d5fae98b713959b5d69bd4e44c6ba84355f59e8fe99588cbca03d7a
+DIST llvm-project-18.1.0rc1.src.tar.xz.sig 566 BLAKE2B 
c9fd7e92e0c6bb8291314ed388d518d15b75c5d4e7ba5da461c2176c5519d721c5ae95d8ecf99ce17bdc398cf23f13b540aacab306c2923e4c0ac8a5f059746f
 SHA512 
0bb072ef2d3156241bcb74102c977db73720f38918e1a0b2cbe6191b6884ce5750ed9f5af69575599bad840c0151a04f81ebc5194c4ce258cbd6516d6c26d9cb
 DIST llvm-project-1f13203029333ac99cc9844b8b6915aae3fc0902.tar.gz 205629630 
BLAKE2B 
cd6c127bc7b63fffc4707863ab8a34e23371ce28878818723ba74d78a1be1b43c2f401fba7de2084f628f9418b7f0e7b9fe9c224b92dc44233cde2f5e3470333
 SHA512 
0b35754d6e8836267393d0d63effe04e1af5851b217252953ca3a75e7d71e32b1188991d34ff649f8c1cf2a1b49b844ca7e0704597655ffd37d151f4b9a0cf36
 DIST llvm-project-8d817f6479a5df874028a8b40fd30aecd3479005.tar.gz 204890108 
BLAKE2B 
8c57c556371b37d00cda753a40f1162e678d89fa40e8f2b90a38aab7e17f9debfb2ebad53a3a95aa530a9e3e2b4b735828e404e576c8f2738370ec41c28badce
 SHA512 
a38ce082ca1b999888ee0a633b94a02258579591e6ce73ba4722eafb9f0610f9624887eca43e4a6ae567c07ffc014f4ea4137e905899407951265d7c93785f18
 DIST llvm-project-9eb0f86c279f40a792ec27bf0e9b491b8c90a640.tar.gz 205195168 
BLAKE2B 
c3d051270958216196d6051d41e78168a7027714c5658c7edc70d274ed91f9d4ee16e8d1f92672bf252c65005c636c380766210ac3d80b4ac2f9f6305aefa29b
 SHA512 
ee62acdfa756a2ddeb46fcafa364489885b6ecc50c87f365af42f308ebc87b9674c33c2f5a84c5169d9c9cada08e4fffe35d2eff48f05b70e791e27ac2c8b347

diff --git a/sys-libs/libcxx/libcxx-18.1.0_rc1.ebuild 
b/sys-libs/libcxx/libcxx-18.1.0_rc1.ebuild
new file mode 100644
index 000000000000..a24b477a5ab8
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-18.1.0_rc1.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
+}

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