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sys-libs/libcxx: Add 20.0.0_pre20240808 snapshot
Signed-off-by: Michał Górny <mgorny@gentoo.org>
This commit is contained in:
Michał Górny
@@ -13,3 +13,4 @@ DIST llvm-project-19.1.0-rc1.src.tar.xz 141259912 BLAKE2B e882ff54a96900b4948e57
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DIST llvm-project-19.1.0-rc1.src.tar.xz.sig 438 BLAKE2B cc1acbd33440bb14f78c19cc3061a5c0cb3d9dbcd6f0d1516fe118ac02c500ba4df129f870ddf3fe1a52519feab4b631866413fce9c726272d52c3865a9eea27 SHA512 a3361992b55be13aeff5d91bb90a15e3a2ab89e486328fa4d9abc9efa3925aee70bea48449b003ae1926909d389bf71afcf6dc56d800ed2e0e3dbc65da6e4e92
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DIST llvm-project-19.1.0-rc2.src.tar.xz 141264388 BLAKE2B 690b4912d9e4a8019b7990934dd6486362337ccb303dca119c0e75aa1063ad452222be1ee965e43b160dfcea20e491a20c289344152666b618712a1d76dc4780 SHA512 508a401e8433b1ac9a399246eb1a3c18faed7c3d41d8c118e77cefbb64cc6d6e171bd41a3e5584f6c84df141ba6819f1a1cce75b5c1ef33e3d2ac239e662d07c
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DIST llvm-project-19.1.0-rc2.src.tar.xz.sig 438 BLAKE2B 1eaf10a1419ecf009c033a8f6ecb6eec86107d81621d5b4665c8d929b05f4845ce0c432017343d7b06f33e6ff6384df9e1d8fc7b9c6efe7f10ef69798891b7e5 SHA512 b46e9a1d40f891c5f3544d8cc6295900bff5dda9a4a526b8db55a42a37ae90deb216b316d2117984e82f4e918d15343e75b3b9e6d6c773866707c3398e032826
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DIST llvm-project-fd7d7882e7fa5a38d4bfde426120d4663718beb4.tar.gz 218217769 BLAKE2B a6c2aa012c342e31527b7e9f85e8fea3549d52530d8f87cd699e094a0aa768d099f9fd2631161ff7f53b4a5011937ed6d1f52b8fa1d23aa34183be1f487d4277 SHA512 c4863fab1a3c03f7f9c42f3501d3a75cebb491343515d77d30b26e5cbd720fc3fd628052099d87ed638e8c424bcbe7a1d066ed857f73da6f243d3d5a76b0e6c5
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@@ -0,0 +1,201 @@
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# Copyright 1999-2024 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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PYTHON_COMPAT=( python3_{10..13} )
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inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
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inherit toolchain-funcs
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DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
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HOMEPAGE="https://libcxx.llvm.org/"
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LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
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SLOT="0"
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IUSE="+clang +libcxxabi +static-libs test"
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REQUIRED_USE="test? ( clang )"
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RESTRICT="!test? ( test )"
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RDEPEND="
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libcxxabi? (
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~sys-libs/libcxxabi-${PV}[static-libs?,${MULTILIB_USEDEP}]
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)
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!libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )
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"
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DEPEND="
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${RDEPEND}
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sys-devel/llvm:${LLVM_MAJOR}
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"
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BDEPEND="
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clang? (
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sys-devel/clang:${LLVM_MAJOR}
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)
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!test? (
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${PYTHON_DEPS}
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)
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test? (
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dev-debug/gdb[python]
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$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
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)
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"
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LLVM_COMPONENTS=( runtimes libcxx{,abi} llvm/{cmake,utils/llvm-lit} cmake )
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llvm.org_set_globals
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python_check_deps() {
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use test || return 0
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python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
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}
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pkg_setup() {
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python-any-r1_pkg_setup
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if ! use libcxxabi && ! tc-is-gcc ; then
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eerror "To build ${PN} against libsupc++, you have to use gcc. Other"
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eerror "compilers are not supported. Please set CC=gcc and CXX=g++"
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eerror "and try again."
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die
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fi
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}
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test_compiler() {
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$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \
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<<<'int main() { return 0; }' &>/dev/null
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}
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src_configure() {
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llvm_prepend_path "${LLVM_MAJOR}"
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# note: we need to do this before multilib kicks in since it will
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# alter the CHOST
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local cxxabi cxxabi_incs
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if use libcxxabi; then
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cxxabi=system-libcxxabi
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cxxabi_incs="${EPREFIX}/usr/include/c++/v1"
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else
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local gcc_inc="${EPREFIX}/usr/lib/gcc/${CHOST}/$(gcc-fullversion)/include/g++-v$(gcc-major-version)"
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cxxabi=libsupc++
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cxxabi_incs="${gcc_inc};${gcc_inc}/${CHOST}"
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fi
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multilib-minimal_src_configure
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}
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multilib_src_configure() {
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if use clang; then
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local -x CC=${CHOST}-clang
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local -x CXX=${CHOST}-clang++
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strip-unsupported-flags
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fi
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# link to compiler-rt
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local use_compiler_rt=OFF
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[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
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# bootstrap: cmake is unhappy if compiler can't link to stdlib
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local nolib_flags=( -nodefaultlibs -lc )
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if ! test_compiler; then
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if test_compiler "${nolib_flags[@]}"; then
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local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
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ewarn "${CXX} seems to lack runtime, trying with ${nolib_flags[*]}"
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fi
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fi
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local libdir=$(get_libdir)
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local mycmakeargs=(
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-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
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-DPython3_EXECUTABLE="${PYTHON}"
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-DLLVM_ENABLE_RUNTIMES=libcxx
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-DLLVM_INCLUDE_TESTS=OFF
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-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
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-DLIBCXX_ENABLE_SHARED=ON
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-DLIBCXX_ENABLE_STATIC=$(usex static-libs)
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-DLIBCXX_CXX_ABI=${cxxabi}
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${cxxabi_incs}
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# we're using our own mechanism for generating linker scripts
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-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
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-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
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-DLIBCXX_INCLUDE_BENCHMARKS=OFF
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-DLIBCXX_INCLUDE_TESTS=$(usex test)
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-DLIBCXX_INSTALL_MODULES=ON
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-DLIBCXX_USE_COMPILER_RT=${use_compiler_rt}
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# this is broken with standalone builds, and also meaningless
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-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
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)
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if use test; then
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mycmakeargs+=(
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-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
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-DLLVM_LIT_ARGS="$(get_lit_flags)"
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-DPython3_EXECUTABLE="${PYTHON}"
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)
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fi
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cmake_src_configure
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}
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multilib_src_compile() {
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cmake_src_compile
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if [[ ${CHOST} != *-darwin* ]] ; then
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gen_shared_ldscript
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use static-libs && gen_static_ldscript
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fi
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}
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multilib_src_test() {
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local -x LIT_PRESERVES_TMP=1
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cmake_build check-cxx
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}
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multilib_src_install() {
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cmake_src_install
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# since we've replaced libc++.{a,so} with ldscripts, now we have to
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# install the extra symlinks
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if [[ ${CHOST} != *-darwin* ]] ; then
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dolib.so lib/libc++_shared.so
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use static-libs && dolib.a lib/libc++_static.a
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fi
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}
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# Usage: deps
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gen_ldscript() {
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local output_format
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output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
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[[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
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cat <<-END_LDSCRIPT
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/* GNU ld script
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Include missing dependencies
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*/
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${output_format}
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GROUP ( $@ )
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END_LDSCRIPT
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}
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gen_static_ldscript() {
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# Move it first.
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mv lib/libc++{,_static}.a || die
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# Generate libc++.a ldscript for inclusion of its dependencies so that
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# clang++ -stdlib=libc++ -static works out of the box.
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local deps=(
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libc++_static.a
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$(usex libcxxabi libc++abi.a libsupc++.a)
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)
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# On Linux/glibc it does not link without libpthread or libdl. It is
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# fine on FreeBSD.
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use elibc_glibc && deps+=( libpthread.a libdl.a )
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gen_ldscript "${deps[*]}" > lib/libc++.a || die
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}
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gen_shared_ldscript() {
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# Move it first.
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mv lib/libc++{,_shared}.so || die
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local deps=(
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libc++_shared.so
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# libsupc++ doesn't have a shared version
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$(usex libcxxabi libc++abi.so libsupc++.a)
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)
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gen_ldscript "${deps[*]}" > lib/libc++.so || die
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}
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