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117 lines
2.8 KiB
117 lines
2.8 KiB
# Copyright 1999-2023 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_{9..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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DESCRIPTION="Low level support for a standard C++ library"
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HOMEPAGE="https://libcxxabi.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=""
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IUSE="+clang static-libs test"
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REQUIRED_USE="test? ( clang )"
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RESTRICT="!test? ( test )"
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# in 15.x, cxxabi.h is moving from libcxx to libcxxabi
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RDEPEND+="
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!<sys-libs/libcxx-15
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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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$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
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)
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"
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LLVM_COMPONENTS=( runtimes libcxx{abi,} llvm/cmake cmake )
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LLVM_TEST_COMPONENTS=( llvm/utils/llvm-lit )
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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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# darwin prefix builds do not have llvm installed yet, so rely on bootstrap-prefix
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# to set the appropriate path vars to LLVM instead of using llvm_pkg_setup.
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if [[ ${CHOST} != *-darwin* ]] || has_version sys-devel/llvm; then
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LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup
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fi
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python-any-r1_pkg_setup
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}
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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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[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
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local libdir=$(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="libcxxabi;libcxx"
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-DLLVM_INCLUDE_TESTS=OFF
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-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
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-DLIBCXXABI_ENABLE_SHARED=ON
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-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
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-DLIBCXXABI_INCLUDE_TESTS=$(usex test)
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-DLIBCXXABI_USE_COMPILER_RT=${use_compiler_rt}
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# upstream is omitting standard search path for this
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# probably because gcc & clang are bundling their own unwind.h
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-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
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-DLIBCXX_LIBDIR_SUFFIX=
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-DLIBCXX_ENABLE_SHARED=ON
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-DLIBCXX_ENABLE_STATIC=OFF
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-DLIBCXX_CXX_ABI=libcxxabi
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-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
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-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
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-DLIBCXX_HAS_GCC_S_LIB=OFF
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-DLIBCXX_INCLUDE_BENCHMARKS=OFF
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-DLIBCXX_INCLUDE_TESTS=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="${PYTHON}"
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)
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fi
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cmake_src_configure
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}
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multilib_src_compile() {
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cmake_build cxxabi
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}
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multilib_src_test() {
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local -x LIT_PRESERVES_TMP=1
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cmake_build check-cxxabi
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}
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multilib_src_install() {
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DESTDIR="${D}" cmake_build install-cxxabi
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}
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