commit: 724ede9c2d5acdb7cf92f8a027ca66b51d51e95c
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Tue Mar 12 13:00:07 2019 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Tue Mar 12 13:14:06 2019 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=724ede9c
sys-libs/libcxx: Bump to 8.0.0rc5
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
sys-libs/libcxx/Manifest | 1 +
sys-libs/libcxx/libcxx-8.0.0_rc5.ebuild | 215 ++++++++++++++++++++++++++++++++
2 files changed, 216 insertions(+)
diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 29b7d711fc2..3d804d7399e 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -2,3 +2,4 @@ DIST libcxx-6.0.1.src.tar.xz 1552328 BLAKE2B
65a6addd04e530c2a72e8cba207282b9e9f
DIST libcxx-7.0.1.src.tar.xz 1638188 BLAKE2B
541d27c3801895d59ad06b15de5fe9ff0d9b5b3ef393a5fad05a12a52dd6453ecc530b0ce3129624a27e959d3c9c5f7066ebb57fd85caca538ebf4f990aa6967
SHA512
b3ad7ad95bdcf2d902b29de8a0b757d4dbc220bc1a22a813d6bcec15a34b3aa42e85c59f4cecbb318c799ca611550b44c328b37278f4349b984016ad4556c1d8
DIST libcxx-8.0.0rc2.src.tar.xz 1755516 BLAKE2B
b6c15d0d50d01e69afb376140052a1d27e2acef45796781497b35dbd8c26db88883e17105fb4e83c50097ab7a4ebf077350754bc1b1d43ef8426b82a7e92b72d
SHA512
79ac5a389f5a6bcb145e8e387ae2cbdf0679996a9f66fe38a8e62cd893b6ed68943824d5538e7408b57ecfa4182aec20b837158c9a6f50188c1e9aae176a4f5f
DIST libcxx-8.0.0rc3.src.tar.xz 1755192 BLAKE2B
32d0602a13a273f396f139dd25f67ed0a12881c618eef35e0bb9b6d8d8cb786f130ce3ce7e8027f8f2a2516de5d1f9753bc12e81497a0bc919731866da04dba2
SHA512
f59e6fdd20d18cfb39c426eadcda5a611dc79735fc1fc8c4cebd4106afa35736ceb3500bba7f162bccced1964785fc18c129e9bb68dd6549b205cae14cd46f8b
+DIST libcxx-8.0.0rc5.src.tar.xz 1755168 BLAKE2B
ec3e77fc15d92d4a2e04b706b52379e2f5fefbdd00e6f1bd63061c42781330b279507e690f2f14185e18893bb7b985251e68b5282b26b4c20afbed671d35073b
SHA512
aaf6495ea7ddf68441aa4422ca7d0d02f17875553f34010d1e5061a5180774990b227edc6fe133dd4081de7e4f835228ac286b974800fd396b3650c4f7899b7a
diff --git a/sys-libs/libcxx/libcxx-8.0.0_rc5.ebuild
b/sys-libs/libcxx/libcxx-8.0.0_rc5.ebuild
new file mode 100644
index 00000000000..4e0e73c96b4
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-8.0.0_rc5.ebuild
@@ -0,0 +1,215 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+# Ninja provides better scalability and cleaner verbose output, and is used
+# throughout all LLVM projects.
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python2_7 )
+
+inherit cmake-multilib llvm multiprocessing python-any-r1 \
+ toolchain-funcs
+
+DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
+HOMEPAGE="https://libcxx.llvm.org/";
+SRC_URI="https://prereleases.llvm.org/${PV/_//}/${P/_/}.src.tar.xz";
+
+LICENSE="|| ( UoI-NCSA MIT )"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86 ~amd64-fbsd"
+IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
+REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
+ ?? ( libcxxabi libcxxrt )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+ libcxxabi? (
~sys-libs/libcxxabi-${PV}[libunwind=,static-libs?,${MULTILIB_USEDEP}] )
+ libcxxrt? (
sys-libs/libcxxrt[libunwind=,static-libs?,${MULTILIB_USEDEP}] )
+ !libcxxabi? ( !libcxxrt? ( >=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}
+ test? ( >=sys-devel/clang-3.9.0
+ $(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )
+ app-arch/xz-utils
+ >=sys-devel/llvm-6"
+
+S=${WORKDIR}/${P/_/}.src
+
+DOCS=( CREDITS.TXT )
+
+PATCHES=(
+ # Add link flag "-Wl,-z,defs" to avoid underlinking; this is needed in a
+ # out-of-tree build.
+ "${FILESDIR}/${PN}-3.9-cmake-link-flags.patch"
+)
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+python_check_deps() {
+ has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+ llvm_pkg_setup
+ use test && python-any-r1_pkg_setup
+
+ if ! use libcxxabi && ! use libcxxrt && ! 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
+ if tc-is-gcc && [[ $(gcc-version) < 4.7 ]] ; then
+ eerror "${PN} needs to be built with gcc-4.7 or later (or other"
+ eerror "conformant compilers). Please use gcc-config to switch
to"
+ eerror "gcc-4.7 or later version."
+ 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=libcxxabi
+ cxxabi_incs="${EPREFIX}/usr/include/libcxxabi"
+ elif use libcxxrt; then
+ cxxabi=libcxxrt
+ cxxabi_incs="${EPREFIX}/usr/include/libcxxrt"
+ 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}/${CHOST}"
+ fi
+
+ multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+ # we want -lgcc_s for unwinder, and for compiler runtime when using
+ # gcc, clang with gcc runtime (or any unknown compiler)
+ local extra_libs=() want_gcc_s=ON
+ if use libunwind; then
+ # work-around missing -lunwind upstream
+ extra_libs+=( -lunwind )
+ # if we're using libunwind and clang with compiler-rt, we want
+ # to link to compiler-rt instead of -lgcc_s
+ if tc-is-clang; then
+ local compiler_rt=$($(tc-getCC) ${CFLAGS} ${CPPFLAGS} \
+ ${LDFLAGS} -print-libgcc-file-name)
+ if [[ ${compiler_rt} == *libclang_rt* ]]; then
+ want_gcc_s=OFF
+ extra_libs+=( "${compiler_rt}" )
+ fi
+ fi
+ 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=$(usex test)
+ -DCMAKE_SHARED_LINKER_FLAGS="${extra_libs[*]} ${LDFLAGS}"
+ )
+
+ if use test; then
+ local clang_path=$(type -P "${CHOST:+${CHOST}-}clang"
2>/dev/null)
+ local jobs=${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}"
"$(get_nproc)")}
+
+ [[ -n ${clang_path} ]] || die "Unable to find ${CHOST}-clang
for tests"
+
+ mycmakeargs+=(
+ -DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+
-DLLVM_LIT_ARGS="-vv;-j;${jobs};--param=cxx_under_test=${clang_path}"
+ )
+ fi
+ cmake-utils_src_configure
+}
+
+multilib_src_test() {
+ cmake-utils_src_make check-libcxx
+}
+
+# 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=$(usex libcxxabi "libc++abi.a" "$(usex libcxxrt
"libcxxrt.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" "$(usex libcxxrt
"libcxxrt.so" "libsupc++.a")")
+
+ mv "${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-utils_src_install
+ gen_shared_ldscript
+ use static-libs && gen_static_ldscript
+}
+
+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."
+}
