commit: b1721ea62f56010cdc3d39daab4c5cc04e352941
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sat Feb 25 09:52:28 2023 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sat Feb 25 18:41:34 2023 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b1721ea6
sys-libs/libcxx: Add 17.0.0_pre20230225 snapshot
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
sys-libs/libcxx/Manifest | 1 +
sys-libs/libcxx/libcxx-17.0.0_pre20230225.ebuild | 204 +++++++++++++++++++++++
2 files changed, 205 insertions(+)
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 8351510ec794..f70193227a73 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -10,3 +10,4 @@ DIST llvm-project-16.0.0rc3.src.tar.xz 117914548 BLAKE2B
18ffa35eb73c7cc4626d7b6
DIST llvm-project-16.0.0rc3.src.tar.xz.sig 566 BLAKE2B
43683d2d7b266a847516f71412bf6236a355462430330fc0da1d624fb8dfbc98bfc982d367baee74d5b4964a9e82e7a4a6ea84bdcff3996d246932f516cced1a
SHA512
61adc4dc3eb5a4c11a7f96f9267ff37895e5845a08d48a609a03a2696c1b6bca5af5861a6f28de936c48e6d621bf282170589187f2cb593a912b9078300cf47c
DIST llvm-project-22fb66eb94b643c858c2beecbcfac438a7fa29ed.tar.gz 179795537
BLAKE2B
aef57ef739c52a8f8b2b327a8f6d8cce4734d9704018fb43a21468e56748e5d5b3d2d47fb4e95fd72b2af9f2e4be88839553e26fd7da08df60c5cc0f51c001d4
SHA512
9ed093ef7dac4891660aafbc5cad66bddefa796bff4dd70c792cc636268742142d82b84520ac2f5a5963521d7b9e4325440763ce0c88937f89722f07d3acd4b8
DIST llvm-project-5e262d58c42668c78d932fab6bf75cf8c3b9d07e.tar.gz 179975303
BLAKE2B
184e7ff6e9a7de77d4a8c36c6910e4e3c7c5e9ff73ed6111ec4704dd457205278abb258ff37170e41a6b21c9ae3f243a80b34e4b17f8977fb9a42876db6465b7
SHA512
ec7e16a4d8f8292d1184ae08c1c5eda0dba1876e7d9c228eb0added5cde45f3094fde7eb1da662d436f85315850310cc0612210ff3ddf82967d5c2de0047a724
+DIST llvm-project-b0676fb0fb0a44a4a1c4ec1f0270fef1f1842817.tar.gz 180277698
BLAKE2B
d2c1e6a1942e51f5844c18605f38b005e9bb4123850a173e4c4b3d7b6a14f4986c7b276b40df4d0594ae04e869e92ba1a4269c5055c0229cfd28aa1bd709da4f
SHA512
d1281b942dcc254641865f11b0c4fbd1d562d016681b6b7268549bed1cdb7d4536f743a8ed089095eaab9f4bfb9de624153f448bf13d0e22f8ea24a4d264df7b
diff --git a/sys-libs/libcxx/libcxx-17.0.0_pre20230225.ebuild
b/sys-libs/libcxx/libcxx-17.0.0_pre20230225.ebuild
new file mode 100644
index 000000000000..4eeb65e55e83
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-17.0.0_pre20230225.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_{9..11} )
+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=""
+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 [[ ${CHOST} != *-darwin* ]] || has_version dev-lang/llvm; then
+ LLVM_MAX_SLOT=${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
+}
