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# Copyright 1999-2024 Gentoo Authors
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# Copyright 1999-2025 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..11} )
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inherit cmake-multilib flag-o-matic llvm llvm.org python-any-r1 \
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toolchain-funcs
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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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KEYWORDS="amd64 arm arm64 ~riscv sparc x86 ~x64-macos"
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KEYWORDS="amd64 arm arm64 ~loong ~riscv sparc x86 ~arm64-macos ~x64-macos"
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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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"
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LLVM_COMPONENTS=( runtimes libcxx{,abi} llvm/{cmake,utils/llvm-lit} cmake )
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LLVM_PATCHSET=${PV}-r1
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llvm.org_set_globals
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python_check_deps() {
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}
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pkg_setup() {
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# Darwin Prefix builds do not have llvm installed yet, so rely on
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# bootstrap-prefix to set the appropriate path vars to LLVM instead
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# of using llvm_pkg_setup.
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if [[ ${CHOST} != *-darwin* ]] || has_version llvm-core/llvm; then
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LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
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fi
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python-any-r1_pkg_setup
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if ! use libcxxabi && ! tc-is-gcc ; then
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}
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src_configure() {
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llvm_prepend_path "${LLVM_MAJOR}"
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# note: we need to do this before multilib kicks in since it will
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# alter the CHOST
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local cxxabi cxxabi_incs
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${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=$(usex elibc_musl)
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-DLIBCXX_HAS_MUSL_LIBC=$(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 use test; then
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