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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
# (needed due to CMAKE_BUILD_TYPE != Gentoo)
CMAKE_MIN_VERSION=3.7.0-r1
PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
inherit cmake-multilib git-r3 llvm python-any-r1
DESCRIPTION="C++ runtime stack unwinder from LLVM"
HOMEPAGE="https://github.com/llvm-mirror/libunwind"
SRC_URI=""
EGIT_REPO_URI="https://git.llvm.org/git/libunwind.git
https://github.com/llvm-mirror/libunwind.git"
LICENSE="|| ( UoI-NCSA MIT )"
SLOT="0"
KEYWORDS=""
IUSE="debug +static-libs test"
RESTRICT="!test? ( test )"
RDEPEND="!sys-libs/libunwind"
# llvm-6 for new lit options
DEPEND="
>=sys-devel/llvm-6
test? (
sys-libs/libcxx[${MULTILIB_USEDEP}]
$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]') )"
# least intrusive of all
CMAKE_BUILD_TYPE=RelWithDebInfo
python_check_deps() {
has_version "dev-python/lit[${PYTHON_USEDEP}]"
}
pkg_setup() {
use test && python-any-r1_pkg_setup
}
src_unpack() {
# we need headers & test utilities
git-r3_fetch "https://git.llvm.org/git/libcxx.git
https://github.com/llvm-mirror/libcxx.git"
git-r3_fetch
git-r3_checkout https://llvm.org/git/libcxx.git \
"${WORKDIR}"/libcxx '' include utils/libcxx
git-r3_checkout
}
multilib_src_configure() {
local libdir=$(get_libdir)
local mycmakeargs=(
-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
-DLIBUNWIND_ENABLE_ASSERTIONS=$(usex debug)
-DLIBUNWIND_ENABLE_STATIC=$(usex static-libs)
-DLLVM_INCLUDE_TESTS=$(usex test)
# support non-native unwinding; given it's small enough,
# enable it unconditionally
-DLIBUNWIND_ENABLE_CROSS_UNWINDING=ON
)
if use test; then
mycmakeargs+=(
-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
-DLLVM_LIT_ARGS="-vv"
-DLIBUNWIND_LIBCXX_PATH="${WORKDIR}"/libcxx
)
fi
cmake-utils_src_configure
}
multilib_src_test() {
cmake-utils_src_make check-unwind
}
multilib_src_install() {
cmake-utils_src_install
# install headers like sys-libs/libunwind
doheader "${S}"/include/*.h
}
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