commit: 97743b777bf2fdec8438dfc7e73c806f4298c7ae
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Thu Mar 11 15:36:45 2021 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Thu Mar 11 18:54:12 2021 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=97743b77
sys-libs/libcxx: Bump to 12.0.0-rc3
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
sys-libs/libcxx/Manifest | 1 +
sys-libs/libcxx/libcxx-12.0.0_rc3.ebuild | 218 +++++++++++++++++++++++++++++++
2 files changed, 219 insertions(+)
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index d16aefb2a74..9f09664b63b 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -3,3 +3,4 @@ DIST llvmorg-11.0.0.tar.gz 122743665 BLAKE2B
3f95570240789fd68ddb747df817f5c6cdc
DIST llvmorg-11.0.1.tar.gz 122790338 BLAKE2B
0130996b4a8c4d9f757136fd7fb318068c9bfdc565060dec0d4336480c4ab66c4ae3185a7fdb05f13cf9ee8fd4123b09df938881b75d6e5d3689595114b7e32a
SHA512
f5e6ef0b3111aae08a89cd01adb2ff4abfa9ef779c68b9190421d0447efd25c2cc00e5aae9f4764805f5fa31434866043d1510ae7389817e28ae53a5442e2fdf
DIST llvmorg-11.1.0.tar.gz 122776532 BLAKE2B
ca842ff4afff8f44c82b5e7383962a9c45ca1c93b64fa4c6ebcd70a1d3849dbad2b8e4e24fba02d144c6266d7fab3607ebc6999b28c229cb35256cf40f26a985
SHA512
9a8ce022a935eed42fa71a224f2a207122aadcbef58ee855fdb4825f879e7d028e4dcff22c19b9d336db1c8bf63fb84372d44981acf84615f757e54306c92b81
DIST llvmorg-12.0.0-rc2.tar.gz 134242619 BLAKE2B
bb741a311db608fc2ba7eeaab71c5c9f2a430f7fee3f0c5c4334e5c14caa19738d18c87b568de963d57d9b53e808ac412cf8554eca7fcae9ecca65aa4442e197
SHA512
d8f9b3dfeb0fe9b91eb7f49da393784333044db2653373fbb168afd3c8d50f3e3ec7a7b8f44df522d0facafbfe4cfc4d9e2906d19f1e6feb0bdc569b6c10a17d
+DIST llvmorg-12.0.0-rc3.tar.gz 134244008 BLAKE2B
ed09aa361b264387711ba1ee2e4b01c0c78ad97391df95e2542d4edc31f657cc33c8a2a45de63eb421908d5dadd9392a736610fbb04b3ecbd336d6514a649da8
SHA512
1fae53c6f255160cf4be53848b8b92c8b162ddcfbddf1bf0017faf249859040c15c862c4b52bc3ba894149139afb814e0674da88793ddebfc0756ba3aa7626ce
diff --git a/sys-libs/libcxx/libcxx-12.0.0_rc3.ebuild
b/sys-libs/libcxx/libcxx-12.0.0_rc3.ebuild
new file mode 100644
index 00000000000..8ed99383fe0
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-12.0.0_rc3.ebuild
@@ -0,0 +1,218 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+CMAKE_ECLASS=cmake
+PYTHON_COMPAT=( python3_{7..9} )
+inherit cmake-multilib 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="elibc_glibc elibc_musl +libcxxabi +libunwind static-libs test"
+REQUIRED_USE="libunwind? ( libcxxabi )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+ libcxxabi? (
~sys-libs/libcxxabi-${PV}[libunwind=,static-libs?,${MULTILIB_USEDEP}] )
+ !libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )"
+# llvm-6 for new lit options
+# clang-3.9.0 installs necessary target symlinks unconditionally
+# which removes the need for MULTILIB_USEDEP
+DEPEND="${RDEPEND}
+ >=sys-devel/llvm-6"
+BDEPEND="
+ test? (
+ >=dev-util/cmake-3.16
+ >=sys-devel/clang-3.9.0
+ $(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+ )"
+
+DOCS=( CREDITS.TXT )
+
+LLVM_COMPONENTS=( libcxx{,abi} llvm/{cmake/modules,utils/llvm-lit} )
+llvm.org_set_globals
+
+python_check_deps() {
+ 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_pkg_setup
+ fi
+ use test && python-any-r1_pkg_setup
+
+ if ! use libcxxabi && ! tc-is-gcc ; then
+ eerror "To build ${PN} against libsupc++, you have to use gcc.
Other"
+ eerror "compilers are not supported. Please set CC=gcc and
CXX=g++"
+ eerror "and try again."
+ die
+ fi
+}
+
+src_prepare() {
+ # Add link flag "-Wl,-z,defs" to avoid underlinking; this is needed in a
+ # out-of-tree build.
+ eapply "${FILESDIR}/${PN}-3.9-cmake-link-flags.patch"
+
+ llvm.org_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=libcxxabi
+ cxxabi_incs="${EPREFIX}/usr/include/libcxxabi"
+ else
+ local
gcc_inc="${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() {
+ # we want -lgcc_s for unwinder, and for compiler runtime when using
+ # gcc, clang with gcc runtime (or any unknown compiler)
+ local extra_libs=() want_gcc_s=ON want_compiler_rt=OFF
+ if use libunwind; then
+ # work-around missing -lunwind upstream
+ extra_libs+=( -lunwind )
+ # if we're using libunwind and clang with compiler-rt, we want
+ # to link to compiler-rt instead of -lgcc_s
+ if tc-is-clang; then
+ local compiler_rt=$($(tc-getCC) ${CFLAGS} ${CPPFLAGS} \
+ ${LDFLAGS} -print-libgcc-file-name)
+ if [[ ${compiler_rt} == *libclang_rt* ]]; then
+ want_gcc_s=OFF
+ want_compiler_rt=ON
+ extra_libs+=( "${compiler_rt}" )
+ fi
+ fi
+ elif [[ ${CHOST} == *-darwin* ]] && tc-is-clang; then
+ # clang-based darwin prefix disables libunwind useflag during
+ # bootstrap, because libunwind is not in the prefix yet.
+ # override the default, though, because clang based libcxx
+ # should never use gcc_s on Darwin.
+ want_gcc_s=OFF
+ # compiler_rt is not available in EPREFIX during bootstrap,
+ # so we cannot link to it yet anyway, so keep the defaults
+ # of want_compiler_rt=OFF and extra_libs=()
+ fi
+
+ # bootstrap: cmake is unhappy if compiler can't link to stdlib
+ local nolib_flags=( -nodefaultlibs -lc )
+ if ! test_compiler; then
+ if test_compiler "${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=(
+ -DLIBCXX_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=$(usex elibc_musl)
+ -DLIBCXX_HAS_GCC_S_LIB=${want_gcc_s}
+ -DLIBCXX_INCLUDE_TESTS=$(usex test)
+ -DLIBCXX_USE_COMPILER_RT=${want_compiler_rt}
+ -DCMAKE_SHARED_LINKER_FLAGS="${extra_libs[*]} ${LDFLAGS}"
+ )
+
+ if use test; then
+ local clang_path=$(type -P "${CHOST:+${CHOST}-}clang"
2>/dev/null)
+ [[ -n ${clang_path} ]] || die "Unable to find ${CHOST}-clang
for tests"
+
+ mycmakeargs+=(
+ -DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+
-DLLVM_LIT_ARGS="$(get_lit_flags);--param=cxx_under_test=${clang_path}"
+ -DPython3_EXECUTABLE="${PYTHON}"
+ )
+ fi
+ cmake_src_configure
+}
+
+multilib_src_test() {
+ local -x LIT_PRESERVES_TMP=1
+ cmake_build check-cxx
+}
+
+# Usage: deps
+gen_ldscript() {
+ local output_format
+ output_format=$($(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 ( $@ )
+END_LDSCRIPT
+}
+
+gen_static_ldscript() {
+ local libdir=$(get_libdir)
+ local cxxabi_lib=$(usex libcxxabi "libc++abi.a" "libsupc++.a")
+
+ # Move it first.
+ mv "${ED}/usr/${libdir}/libc++.a" "${ED}/usr/${libdir}/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 ${cxxabi_lib} $(usex libunwind libunwind.a
libgcc_eh.a)"
+ # On Linux/glibc it does not link without libpthread or libdl. It is
+ # fine on FreeBSD.
+ use elibc_glibc && deps+=" libpthread.a libdl.a"
+
+ gen_ldscript "${deps}" > "${ED}/usr/${libdir}/libc++.a" || die
+}
+
+gen_shared_ldscript() {
+ local libdir=$(get_libdir)
+ # libsupc++ doesn't have a shared version
+ local cxxabi_lib=$(usex libcxxabi "libc++abi.so" "libsupc++.a")
+
+ mv "${ED}/usr/${libdir}/libc++.so"
"${ED}/usr/${libdir}/libc++_shared.so" || die
+ local deps="libc++_shared.so ${cxxabi_lib} $(usex libunwind
libunwind.so libgcc_s.so)"
+
+ gen_ldscript "${deps}" > "${ED}/usr/${libdir}/libc++.so" || die
+}
+
+multilib_src_install() {
+ cmake_src_install
+ if [[ ${CHOST} != *-darwin* ]] ; then
+ gen_shared_ldscript
+ use static-libs && gen_static_ldscript
+ fi
+}
+
+pkg_postinst() {
+ elog "This package (${PN}) is mainly intended as a replacement for the
C++"
+ elog "standard library when using clang."
+ elog "To use it, instead of libstdc++, use:"
+ elog " clang++ -stdlib=libc++"
+ elog "to compile your C++ programs."
+}
