commit:     bb3317c4708d465c3d056a48ea03084c8f9d73be
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Thu Aug 22 11:16:23 2024 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Thu Aug 22 11:23:43 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=bb3317c4

sys-libs/libcxx: Add 20.0.0_pre20240822 snapshot

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

 sys-libs/libcxx/Manifest                         |   1 +
 sys-libs/libcxx/libcxx-20.0.0_pre20240822.ebuild | 201 +++++++++++++++++++++++
 2 files changed, 202 insertions(+)

diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index dd2fdf7efd98..40360c06137a 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -12,5 +12,6 @@ DIST llvm-project-19.1.0-rc2.src.tar.xz 141264388 BLAKE2B 
690b4912d9e4a8019b7990
 DIST llvm-project-19.1.0-rc2.src.tar.xz.sig 438 BLAKE2B 
1eaf10a1419ecf009c033a8f6ecb6eec86107d81621d5b4665c8d929b05f4845ce0c432017343d7b06f33e6ff6384df9e1d8fc7b9c6efe7f10ef69798891b7e5
 SHA512 
b46e9a1d40f891c5f3544d8cc6295900bff5dda9a4a526b8db55a42a37ae90deb216b316d2117984e82f4e918d15343e75b3b9e6d6c773866707c3398e032826
 DIST llvm-project-19.1.0-rc3.src.tar.xz 141250388 BLAKE2B 
6530bede000d2e4b8ce10b445bfc1f81dc25c2d7121fc953581cd9b6989b3ba197707cd79d3c7b94c055bf2e21b0d07ab3cb401d3f73d22eefba6da4b71dca7b
 SHA512 
3ee4eab848e5e38c396e6f5addf5eb42570d451fc8e7cd77150dc5542f8f710f4a9db51836f7a799996dd1b8194defe4d58efe7c19e5d5e1c5f3dbdda94c0cf3
 DIST llvm-project-19.1.0-rc3.src.tar.xz.sig 438 BLAKE2B 
86bad4d4fb805340096473bc603d7a3483f030f62b6f52b64d12c33561fbbb999c2ab69cc94857a32747492c846a5ab631a84da200b03475fd401335373bbccf
 SHA512 
ef0fd2e3e7069fbfd410cbcf71294d1b7182456330ff151348058b5cb0f292edaecb9dcbf613ee4fc979214a23bd3bb8077d71e674635359da36b938dc143266
+DIST llvm-project-503907dc505db1e439e7061113bf84dd105f2e35.tar.gz 218750576 
BLAKE2B 
40904dbf62cffe9cb757cc1382a765d5c89791948e86bfa4fbdc5a78ebc11cc82588bc730e6c5c84b6d84922cd32290df0146733a013ffa4e408b8a7c2313a1f
 SHA512 
a121cca2ef49c6b25f137e66d23d332d2f9e3bd0d349b1202b6869f7c85a141aecfe20a6c4d4eff84e32a243216740f20114968589207d39df229daf6443ba0d
 DIST llvm-project-db8ef6188cbbe2125e6d60bdef77a535105772df.tar.gz 218416682 
BLAKE2B 
691e3881e4a60c008c6b766b51ecc856122de1f40242ff1d91ebaa12682fea0a22f84783eb930c42d196f50ba0d3b2010f9010ed73ee7e292fe78c93d6e3f324
 SHA512 
2dc16a603b60607cc3daee2de0126a567a78c4fff72b2fbcb94c82472bc5ec64ac354ba8592b9a643248a5bfd43b34e2a60f2751a0c9e9e28b7f895fc50a5e9d
 DIST llvm-project-fd7d7882e7fa5a38d4bfde426120d4663718beb4.tar.gz 218217769 
BLAKE2B 
a6c2aa012c342e31527b7e9f85e8fea3549d52530d8f87cd699e094a0aa768d099f9fd2631161ff7f53b4a5011937ed6d1f52b8fa1d23aa34183be1f487d4277
 SHA512 
c4863fab1a3c03f7f9c42f3501d3a75cebb491343515d77d30b26e5cbd720fc3fd628052099d87ed638e8c424bcbe7a1d066ed857f73da6f243d3d5a76b0e6c5

diff --git a/sys-libs/libcxx/libcxx-20.0.0_pre20240822.ebuild 
b/sys-libs/libcxx/libcxx-20.0.0_pre20240822.ebuild
new file mode 100644
index 000000000000..a0d07e1507f4
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-20.0.0_pre20240822.ebuild
@@ -0,0 +1,201 @@
+# 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 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
+}

Reply via email to