commit: 55ad2afd2e91eef5c0ee70eb1e38919e50478fc3
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Wed Oct 9 11:28:23 2024 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Wed Oct 9 11:45:38 2024 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=55ad2afd
sys-libs/libcxx: Add 20.0.0_pre20241009 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
sys-libs/libcxx/Manifest | 1 +
sys-libs/libcxx/libcxx-20.0.0_pre20241009.ebuild | 206 +++++++++++++++++++++++
2 files changed, 207 insertions(+)
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 91c2224b7f1d..7e07bbef33dd 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -12,3 +12,4 @@ DIST llvm-project-19.1.1.src.tar.xz 141244648 BLAKE2B
7c9250f99c8e5ae2097e89269e
DIST llvm-project-19.1.1.src.tar.xz.sig 438 BLAKE2B
6967194abf6939291abc716f862a46ea7c5e195b98eebc26928a57dbd5034f82a8ecb5b7cc1b7c2428168309308b19df1c7db828703e80d3f7bf578e3542874d
SHA512
07bb7bffb2b035417d702ca47be9d5759250f1a2cd57606855027d458ceb972a293b45d3d93bcda195588986acbb5eace60524f4aecdc0da7aeb3a8414c37c31
DIST llvm-project-b837c9e289dab93c7f8a06876e3f70b6864f40ab.tar.gz 219631219
BLAKE2B
d8a5d7de537ad91e94fc85dc0f624eba92f31cab2a345706250a66ad424fff151d5b86c430d993a35fd938095774411080cee4cab47a8258af348743dc145b56
SHA512
fe23f72b73553e3755af335a2a2a2225eafdcf2ed93191c9f4ac7bcf7b5b5391f73c2dccbb082279e0c7389a8f12b889a8d061389785cf9219ca861a8d4b41cc
DIST llvm-project-cde7b30268a85a3e7900a31534a97e7eb4de9236.tar.gz 219048549
BLAKE2B
53bdfea814b2cdf60bfdd27f6135b9f9d5156bdc78d22a361214399c5101b6fafaaefb9109377c1d977c67ebcb1feed69d6aaee0f2e38881480d68ac8be9b3d9
SHA512
0def6da5c2443753f37ba40a893b41dd5c7676b7be57102a5a6e820fe4fe235cad1da9a1c0eff1abc4c4ed5cc188522cae23afeddeee1876ea8ffde5c4f33b9f
+DIST llvm-project-fb2960aad93f6c02e0ea8de0568c0aef8896eee8.tar.gz 219704020
BLAKE2B
91f7226d7c6dcfa82c6b892ec0a80b47b5abd435c39996d8a6e0611355d434a86eb42bd5dce849dcc9a2f0ed2ae9844e5672f45283984ad10c7c12c62c82d47b
SHA512
f0b56a4ab532aaf4bb841aac4e2faf63f213f3cd71d24555b46805406502805e6cc46cb0aae0fbf5f49ddec99da801ab8e54410a9bd8a7bcb0e9fb13619c30bf
diff --git a/sys-libs/libcxx/libcxx-20.0.0_pre20241009.ebuild
b/sys-libs/libcxx/libcxx-20.0.0_pre20241009.ebuild
new file mode 100644
index 000000000000..43c213cc6426
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-20.0.0_pre20241009.ebuild
@@ -0,0 +1,206 @@
+# 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
+}
+
+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 [[ ${CHOST} != *-darwin* ]] ; then
+ gen_shared_ldscript
+ use static-libs && gen_static_ldscript
+ fi
+}
+
+multilib_src_test() {
+ local -x LIT_PRESERVES_TMP=1
+ cmake_build install-cxx-test-suite-prefix
+ cp
"${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_shared.so
|| die
+ if use static-libs; then
+ cp
"${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_static.a ||
die
+ fi
+ 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
+}
