gentoo resync : 22.01.2019

2 files changed, 228 insertions, 0 deletions

diff --git a/sys-libs/libcxx/Manifest b/sys-libs/libcxx/Manifest
index 3f1059c9858a..2108867d152f 100644
--- a/sys-libs/libcxx/Manifest
+++ b/sys-libs/libcxx/Manifest
@@ -16,5 +16,6 @@ EBUILD libcxx-5.0.2.ebuild 6502 BLAKE2B d6b0b4b2fc3ca56858c2b785da51187964074d55
 EBUILD libcxx-6.0.1.ebuild 6746 BLAKE2B 616128b9d49049ac6de90b84f89a48c7033f5927edc5e15674df5e3a2225630f59a99c8047c71d9128304d726241ceaa1cefabf8d44e4b2d6a491611f63bee88 SHA512 3df9e7e79b62893441212fe7baa51190ac69f0bf64332718ae53596a043dc3583b8125bbcf7339cca7cf9937aa870ea0d8b12670700962c1cb22892f706e3129
 EBUILD libcxx-7.0.1.ebuild 6750 BLAKE2B 0052def7166376e81fdc4126220bc6749113e43b2fd66f6e447e020f6bbb6b63b7519e3656c79793837c5b105e2606f34b1d23e78bf4dcd2c892f79cc32b2101 SHA512 f16905c20b669428f1378185072563f855ed03520057039ba794fc717f0ca2cc44bc1c1a78aa24bca688946d5a32e2843163198e4085396e668f4c695f5e61e7
 EBUILD libcxx-7.0.9999.ebuild 7047 BLAKE2B eb80753b38042cdb3ae3f01db2c4dc9bc7a588e00bcf1d7da85d3c30c73e941bbc1096d9b6be67c21dd47874354f909255a843371cb0fe9f479ee09d3439b292 SHA512 ae81c9c856f39dfef3dec1e66decab8b20987eb82c4093b6bfda2937c5111bc6a24058f95a92b3a3beb0b91df6f5bb83216ff4997a0be8fd7d28b8f29f91290f
+EBUILD libcxx-8.0.9999.ebuild 7044 BLAKE2B 12185d3065a0cdecf4b6eb2c7eca5f70a2a1732214c77c4e695418ffe5bb39273342088fa4cba2504a411db8ecc8543d219a932d5f022383197df7d4b84b1e1e SHA512 57f565cb1652c53e08ba21776dcf1707061697937533c5e447bcff37cdf274f54525ff59112a1bf54a25d39477e20f0dc7dbdf4ad71846266c06a0002d1c0980
 EBUILD libcxx-9999.ebuild 7019 BLAKE2B ea929ac8759c5b70e48fe32ade6ef24c2ce8830be6bb5a35411a654212c7b2d127ecaa2a94bebbbb01807ff57c7d814379f23047c206d265d917958478df54b6 SHA512 5dddc6b30accff0ad414953ec2cd177ee5b151106282113687a2977c00b1a85e7151f772000118d341d0074ae91875b8ef1bd0e03de1816875bcd289b03d14ef
 MISC metadata.xml 854 BLAKE2B f731ffbb07722face32cfe5ef0576c572fc45d93e8d78ec4adb46c43b95999dc4eb48f20311517fe08a397f2e5dec56c530bb6787a058358cfd1af8d79ffad90 SHA512 8ef3feab266e09442a42baced2d72667fa8b1290624c2c84bab7b173ead72669568847f6e995388fc1d7bc722381f60805d87b2a0cc2d04ae0c49e36bec3802a
diff --git a/sys-libs/libcxx/libcxx-8.0.9999.ebuild b/sys-libs/libcxx/libcxx-8.0.9999.ebuild
new file mode 100644
index 000000000000..523cba0073ef
--- /dev/null
+++ b/sys-libs/libcxx/libcxx-8.0.9999.ebuild
@@ -0,0 +1,227 @@
+# 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
+EGIT_REPO_URI="https://git.llvm.org/git/libcxx.git
+	https://github.com/llvm-mirror/libcxx.git"
+EGIT_BRANCH="release_80"
+PYTHON_COMPAT=( python2_7 )
+
+[[ ${PV} == *9999 ]] && SCM="git-r3" || SCM=""
+
+inherit ${SCM} 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/"
+if [[ ${PV} != *9999 ]] ; then
+	SRC_URI="https://llvm.org/releases/${PV}/${P}.src.tar.xz"
+	S="${WORKDIR}/${P}.src"
+else
+	SRC_URI=""
+fi
+
+LICENSE="|| ( UoI-NCSA MIT )"
+SLOT="0"
+if [[ ${PV} != *9999 ]] ; then
+	KEYWORDS="~amd64 ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux"
+else
+	KEYWORDS=""
+fi
+IUSE="elibc_glibc elibc_musl +libcxxabi libcxxrt +libunwind +static-libs test"
+REQUIRED_USE="libunwind? ( || ( libcxxabi libcxxrt ) )
+	?? ( libcxxabi libcxxrt )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	libcxxabi? ( ~sys-libs/libcxxabi-${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"
+
+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."
+}