You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
3.1 KiB
116 lines
3.1 KiB
# Copyright 1999-2020 Gentoo Authors
|
|
# Distributed under the terms of the GNU General Public License v2
|
|
|
|
EAPI=7
|
|
|
|
CMAKE_ECLASS=cmake
|
|
PYTHON_COMPAT=( python3_{6..9} )
|
|
inherit cmake-multilib llvm llvm.org python-any-r1 toolchain-funcs
|
|
|
|
DESCRIPTION="Low level support for a standard C++ library"
|
|
HOMEPAGE="https://libcxxabi.llvm.org/"
|
|
# libcxx is needed uncondtionally for the headers
|
|
LLVM_COMPONENTS=( libcxx{abi,} )
|
|
llvm.org_set_globals
|
|
|
|
LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
|
|
SLOT="0"
|
|
KEYWORDS=""
|
|
IUSE="+libunwind +static-libs test elibc_musl"
|
|
RESTRICT="!test? ( 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}]
|
|
)
|
|
)"
|
|
# llvm-6 for new lit options
|
|
DEPEND="${RDEPEND}
|
|
>=sys-devel/llvm-6"
|
|
BDEPEND="
|
|
test? ( >=sys-devel/clang-3.9.0
|
|
$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )"
|
|
|
|
python_check_deps() {
|
|
has_version "dev-python/lit[${PYTHON_USEDEP}]"
|
|
}
|
|
|
|
pkg_setup() {
|
|
llvm_pkg_setup
|
|
use test && python-any-r1_pkg_setup
|
|
}
|
|
|
|
multilib_src_configure() {
|
|
# link against compiler-rt instead of libgcc if we are using clang with libunwind
|
|
local want_compiler_rt=OFF
|
|
if use libunwind && tc-is-clang; then
|
|
local compiler_rt=$($(tc-getCC) ${CFLAGS} ${CPPFLAGS} \
|
|
${LDFLAGS} -print-libgcc-file-name)
|
|
if [[ ${compiler_rt} == *libclang_rt* ]]; then
|
|
want_compiler_rt=ON
|
|
fi
|
|
fi
|
|
|
|
local libdir=$(get_libdir)
|
|
local mycmakeargs=(
|
|
-DLIBCXXABI_LIBDIR_SUFFIX=${libdir#lib}
|
|
-DLIBCXXABI_ENABLE_SHARED=ON
|
|
-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
|
|
-DLIBCXXABI_USE_LLVM_UNWINDER=$(usex libunwind)
|
|
-DLIBCXXABI_INCLUDE_TESTS=$(usex test)
|
|
-DLIBCXXABI_USE_COMPILER_RT=${want_compiler_rt}
|
|
|
|
-DLIBCXXABI_LIBCXX_INCLUDES="${WORKDIR}"/libcxx/include
|
|
# upstream is omitting standard search path for this
|
|
# probably because gcc & clang are bundling their own unwind.h
|
|
-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
|
|
)
|
|
if use test; then
|
|
local clang_path=$(type -P "${CHOST:+${CHOST}-}clang" 2>/dev/null)
|
|
[[ -n ${clang_path} ]] || die "Unable to find ${CHOST}-clang for tests"
|
|
|
|
mycmakeargs+=(
|
|
-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
|
|
-DLLVM_LIT_ARGS="$(get_lit_flags);--param=cxx_under_test=${clang_path}"
|
|
)
|
|
fi
|
|
cmake_src_configure
|
|
}
|
|
|
|
build_libcxx() {
|
|
local -x LDFLAGS="${LDFLAGS} -L${BUILD_DIR}/$(get_libdir)"
|
|
local CMAKE_USE_DIR=${WORKDIR}/libcxx
|
|
local BUILD_DIR=${BUILD_DIR}/libcxx
|
|
local mycmakeargs=(
|
|
-DLIBCXX_LIBDIR_SUFFIX=
|
|
-DLIBCXX_ENABLE_SHARED=OFF
|
|
-DLIBCXX_ENABLE_STATIC=ON
|
|
-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF
|
|
-DLIBCXX_CXX_ABI=libcxxabi
|
|
-DLIBCXX_CXX_ABI_INCLUDE_PATHS="${S}"/include
|
|
-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
|
|
-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
|
|
-DLIBCXX_HAS_GCC_S_LIB=OFF
|
|
-DLIBCXX_INCLUDE_TESTS=OFF
|
|
)
|
|
|
|
cmake_src_configure
|
|
cmake_src_compile
|
|
}
|
|
|
|
multilib_src_test() {
|
|
# build a local copy of libc++ for testing to avoid circular dep
|
|
build_libcxx
|
|
mv "${BUILD_DIR}"/libcxx/lib/libc++* "${BUILD_DIR}/$(get_libdir)/" || die
|
|
|
|
local -x LIT_PRESERVES_TMP=1
|
|
cmake_build check-libcxxabi
|
|
}
|
|
|
|
multilib_src_install_all() {
|
|
insinto /usr/include/libcxxabi
|
|
doins -r include/.
|
|
}
|