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https://github.com/gentoo-mirror/gentoo.git
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llvm-runtimes/libcxx: Add 24.0.0_pre20260929 snapshot
Signed-off-by: Michał Górny <mgorny@gentoo.org>
This commit is contained in:
Michał Górny
@@ -15,3 +15,4 @@ DIST llvm-project-23.1.1.src.tar.xz.sig 466 BLAKE2B fd062ee7b6a59295f1ba558ed35f
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DIST llvm-project-23.1.2.src.tar.xz 179200068 BLAKE2B 554cddd2a3e273ba876da7815e5b0b6999319d2d2c0016603def4e31ce064fe119422aca0033ea0ab2e36ea22d46985ea042b891eed60647b119687c19f9b556 SHA512 91174e69ea787034f8a6b17120aae5f139204e13292119d1b066b4930dcea586c76b82228d3db281d8d4211384c7cb74c6b61fdef41b39d310908a8c7cf080cc
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DIST llvm-project-23.1.2.src.tar.xz.sig 119 BLAKE2B 20a19a2a584c6298841e20f95bf13e42c5f591f82087abd26f77f1d7f87b575dc661fd8bc72f6a7faad485cf75ff4219fb810fbb3a73b0a5992014157e5094fc SHA512 fe76751211cfb1a56935f0e6fd9536309eb02111acb3f32f4badf7e45e6f0283125cf2ece00baa420afc488667c7e1fbb06f0567aa33ff9459f41281cb25e10c
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DIST llvm-project-3dcd66d0110335d7d1a5921fd085914b66ffbd3c.tar.gz 317468883 BLAKE2B af57748bf462852a7d09751162e43c52b7d8fa4d1e3e9b021062b11132ad2268b2ddefd0e2d0b2391de1e8120b751fe46a368bc58dce83b8d5e4413716701031 SHA512 678027e165bf444eb522a70b5c52018dba4b41828fa7db353bd1155ec326633adfe64e20e5975b672fc2669c6fd7e0dec0dbd8c63ee89e0393264d9af5ab3090
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DIST llvm-project-9fe649af67007493c02108b484c8b9259e3d522e.tar.gz 318504162 BLAKE2B 43f10fa26c665d9986a093fa8287f302b54dee2b0e74c3c835fd7642c233a3574b3e03e82380f24b1d277b1063ae3bca05a2061b9fa794559f695aa9689e5134 SHA512 7000bf65c5d696a1a870ba8a7f645958970f535a3b68cc7df8da8f3fa31afe4fb02049532919a5974721618b212b3ed7796fd0e1e63de69484517cd91a2289e9
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@@ -0,0 +1,262 @@
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# Copyright 1999-2026 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_{12..14} )
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inherit cmake-multilib crossdev flag-o-matic llvm.org llvm-utils
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inherit python-any-r1 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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~llvm-runtimes/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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${RDEPEND}
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llvm-core/llvm:${LLVM_MAJOR}
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"
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BDEPEND="
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clang? (
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llvm-core/clang:${LLVM_MAJOR}
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llvm-core/clang-linker-config:${LLVM_MAJOR}
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llvm-runtimes/clang-rtlib-config:${LLVM_MAJOR}
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llvm-runtimes/clang-unwindlib-config:${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[${PYTHON_USEDEP}]')
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)
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"
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LLVM_COMPONENTS=(
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runtimes libcxx{,abi} libc llvm/{cmake,utils} cmake
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)
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llvm.org_set_globals
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python_check_deps() {
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use test || return 0
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python_has_version "dev-python/lit[${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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local install_prefix=${EPREFIX}
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is_crosspkg && install_prefix+=/usr/${CTARGET}
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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="${install_prefix}/usr/include/c++/v1"
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else
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local gcc_inc="${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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# Workaround for bgo #961153.
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# TODO: Fix the multilib.eclass, so it sets CTARGET properly.
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if ! is_crosspkg; then
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export CTARGET=${CHOST}
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fi
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if use clang; then
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llvm_prepend_path -b "${LLVM_MAJOR}"
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local -x CC=${CTARGET}-clang-${LLVM_MAJOR}
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local -x CXX=${CTARGET}-clang++-${LLVM_MAJOR}
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strip-unsupported-flags
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# The full clang configuration might not be ready yet. Use the partial
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# configuration of components that libunwind depends on.
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local flags=(
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--config="${ESYSROOT}"/etc/clang/"${LLVM_MAJOR}"/gentoo-{rtlib,unwindlib,linker}.cfg
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)
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local -x CFLAGS="${CFLAGS} ${flags[@]}"
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local -x CXXFLAGS="${CXXFLAGS} ${flags[@]}"
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local -x LDFLAGS="${LDFLAGS} ${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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[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
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local nostdlib_flags=( -nostdlib++ )
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if ! test_compiler && test_compiler "${nostdlib_flags[@]}"; then
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local -x LDFLAGS="${LDFLAGS} ${nostdlib_flags[*]}"
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ewarn "${CXX} seems to lack runtime, trying with ${nostdlib_flags[*]}"
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fi
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local libdir=$(get_libdir)
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local mycmakeargs=(
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-DLLVM_ROOT="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}"
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-DCMAKE_CXX_COMPILER_TARGET="${CTARGET}"
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-DPython3_EXECUTABLE="${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=$(llvm_cmake_use_musl)
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-DLIBCXX_INCLUDE_BENCHMARKS=OFF
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-DLIBCXX_INCLUDE_TESTS=$(usex test)
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-DLIBCXX_INSTALL_MODULES=ON
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-DLIBCXX_USE_COMPILER_RT=${use_compiler_rt}
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# this is broken with standalone builds, and also meaningless
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-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
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)
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if is_crosspkg; then
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# Needed to target built libc headers
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local -x CFLAGS="${CFLAGS} -isystem ${ESYSROOT}/usr/${CTARGET}/usr/include"
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mycmakeargs+=(
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# Without this, the compiler will compile a test program
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# and fail due to no builtins.
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-DCMAKE_C_COMPILER_WORKS=1
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-DCMAKE_CXX_COMPILER_WORKS=1
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# Install inside the cross sysroot.
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-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/${CTARGET}/usr"
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)
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fi
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if use kernel_Darwin; then
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# For Darwin it ships libc++ in system by default, conflicting prefix
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mycmakeargs+=( -DLIBCXX_ABI_NAMESPACE=__gentoo1 )
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fi
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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 [[ ${CHOST} != *-darwin* ]] ; then
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local libdir=$(get_libdir)
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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 libcxx-test-suite-install-cxx
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if [[ ${CHOST} != *-darwin* ]] ; then
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local libdir=$(get_libdir)
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cp "${BUILD_DIR}"/{,libcxx/test-suite-install/}"${libdir}"/libc++_shared.so || die
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if use static-libs; then
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cp "${BUILD_DIR}"/{,libcxx/test-suite-install/}"${libdir}"/libc++_static.a || die
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fi
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fi
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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 [[ ${CHOST} != *-darwin* ]] ; then
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local libdir=$(get_libdir)
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is_crosspkg && into /usr/${CTARGET}/usr
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dolib.so "${libdir}"/libc++_shared.so
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use static-libs && dolib.a "${libdir}"/libc++_static.a
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fi
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local install_prefix=
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is_crosspkg && install_prefix=/usr/${CTARGET}
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insinto "${install_prefix}/usr/share/libc++/gdb"
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doins ../libcxx/utils/gdb/libcxx/printers.py
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local lib_version=$(sed -n -e 's/^LIBCXX_LIBRARY_VERSION:STRING=//p' CMakeCache.txt || die)
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[[ -n ${lib_version} ]] || die "Could not determine LIBCXX_LIBRARY_VERSION from CMakeCache.txt"
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insinto "${install_prefix}/usr/share/gdb/auto-load/usr/$(get_libdir)"
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newins - "libc++.so.${lib_version}-gdb.py" <<-EOF
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__import__("sys").path.insert(0, "${EPREFIX}/usr/share/libc++/gdb")
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__import__("printers").register_libcxx_printer_loader()
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EOF
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}
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# Usage: deps
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gen_ldscript() {
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local output_format
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output_format=$($(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 ( $@ )
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END_LDSCRIPT
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}
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gen_static_ldscript() {
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# Move it first.
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mv "${libdir}"/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[*]}" > "${libdir}"/libc++.a || die
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}
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gen_shared_ldscript() {
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# Move it first.
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mv "${libdir}"/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[*]}" > "${libdir}"/libc++.so || die
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}
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