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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit flag-o-matic eutils cmake-multilib
S="${WORKDIR}/${P}.src"
DESCRIPTION="New implementation of low level support for a standard C++ library"
HOMEPAGE="http://libcxxabi.llvm.org/"
SRC_URI="http://llvm.org/releases/${PV}/${P}.src.tar.xz"
LICENSE="|| ( UoI-NCSA MIT )"
SLOT="0"
KEYWORDS="~x64-macos ~x86-macos"
IUSE="static-libs"
RDEPEND=""
DEPEND="${RDEPEND}
=sys-libs/libcxx-headers-${PV}"
# note the abscense of a requirement to compile with clang on OS X - it
# actually compiles and works with recent gcc as well
src_prepare() {
sed -i -e "/set.LLVM_CMAKE_PATH.*\\/cmake\\/modules/s@cmake/modules@cmake@" CMakeLists.txt
}
src_configure() {
local mycmakeargs=(
-DLLVM_PATH=${EPREFIX}/usr/share/llvm
-DLIBCXXABI_LIBCXX_INCLUDES=${EPREFIX}/usr/include/c++/v1
# silence warning "LIBCXXABI_LIBCXX_PATH was not specified and couldn't
# be infered" which is redundant because we have successfully provided
# the libc++ include path via LIBCXXABI_LIBCXX_INCLUDES already
-DLIBCXXABI_LIBCXX_PATH=shutup
)
# make sure we build multilib on OSX, because llvm insists on
# building multilib too
if [[ ${CHOST} == *86*-darwin* ]] ; then
append-flags -arch i386 -arch x86_64
append-cxxflags -std=c++11
fi
use static-libs && \
mycmakeargs+=( -DLIBCXXABI_ENABLE_STATIC=ON ) || \
mycmakeargs+=( -DLIBCXXABI_ENABLE_STATIC=OFF )
cmake-multilib_src_configure
}
multilib_src_install_all() {
# do not install unwind.h and others since they're only in-source
# build-time dependencies
insinto /usr/include
doins -r include/cxxabi.h
doins -r include/__cxxabi_config.h
}
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