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# Copyright 1999-2017 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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EAPI=6
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: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
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PYTHON_COMPAT=( python2_7 )
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inherit cmake-multilib python-any-r1
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DESCRIPTION="Low level support for a standard C++ library"
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HOMEPAGE="http://libcxxabi.llvm.org/"
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# also needs libcxx sources for headers
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SRC_URI="http://llvm.org/releases/${PV}/${P}.src.tar.xz
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http://llvm.org/releases/${PV}/${P/abi/}.src.tar.xz"
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LICENSE="|| ( UoI-NCSA MIT )"
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SLOT="0"
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KEYWORDS="~amd64 ~x86"
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IUSE="elibc_musl libunwind +static-libs test"
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RDEPEND="
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libunwind? (
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|| (
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>=sys-libs/libunwind-1.0.1-r1[static-libs?,${MULTILIB_USEDEP}]
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>=sys-libs/llvm-libunwind-3.9.0-r1[static-libs?,${MULTILIB_USEDEP}]
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)
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)"
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DEPEND="${RDEPEND}
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>=sys-devel/llvm-3.9.0
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test? ( >=sys-devel/clang-3.9.0
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~sys-libs/libcxx-${PV}[libcxxabi(-)]
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$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )"
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S=${WORKDIR}/${P}.src
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python_check_deps() {
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has_version "dev-python/lit[${PYTHON_USEDEP}]"
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}
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pkg_setup() {
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use test && python-any-r1_pkg_setup
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}
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src_prepare() {
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default
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# backport cmake path fix for llvm-3.9+
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eapply "${FILESDIR}/${P}-cmake-path.patch"
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# kill stray unwind test dep in stand-alone builds
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eapply "${FILESDIR}/${P}-test-unwind.patch"
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}
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src_configure() {
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NATIVE_LIBDIR=$(get_libdir)
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cmake-multilib_src_configure
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}
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multilib_src_configure() {
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local libdir=$(get_libdir)
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local mycmakeargs=(
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-DLLVM_LIBDIR_SUFFIX=${NATIVE_LIBDIR#lib}
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-DLIBCXXABI_LIBDIR_SUFFIX=${libdir#lib}
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-DLIBCXXABI_ENABLE_SHARED=ON
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-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
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-DLIBCXXABI_USE_LLVM_UNWINDER=$(usex libunwind)
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-DLLVM_INCLUDE_TESTS=$(usex test)
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-DLIBCXXABI_LIBCXX_INCLUDES="${WORKDIR}"/libcxx-${PV}.src/include
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# upstream is omitting standard search path for this
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# probably because gcc & clang are bundling their own unwind.h
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-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
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# this only needs to exist, it does not have to make sense
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-DLIBCXXABI_LIBUNWIND_SOURCES="${T}"
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)
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if use test; then
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mycmakeargs+=(
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-DLIT_COMMAND="${EPREFIX}"/usr/bin/lit
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)
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fi
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if use elibc_musl; then
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local -x CPPFLAGS="${CPPFLAGS} -D_LIBCPP_HAS_MUSL_LIBC=1"
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fi
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cmake-utils_src_configure
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}
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multilib_src_test() {
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local clang_path=$(type -P "${CHOST:+${CHOST}-}clang" 2>/dev/null)
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[[ -n ${clang_path} ]] || die "Unable to find ${CHOST}-clang for tests"
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sed -i -e "/cxx_under_test/s^\".*\"^\"${clang_path}\"^" test/lit.site.cfg || die
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cmake-utils_src_make check-libcxxabi
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}
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multilib_src_install_all() {
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insinto /usr/include/libcxxabi
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doins -r include/.
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}
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