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