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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
# (needed due to CMAKE_BUILD_TYPE != Gentoo)
CMAKE_MIN_VERSION=3.7.0-r1
PYTHON_COMPAT=( python2_7 )
inherit cmake-utils flag-o-matic git-r3 llvm python-any-r1 toolchain-funcs
DESCRIPTION="Compiler runtime library for clang (built-in part)"
HOMEPAGE="http://llvm.org/"
SRC_URI=""
EGIT_REPO_URI="https://git.llvm.org/git/compiler-rt.git
https://github.com/llvm-mirror/compiler-rt.git"
LICENSE="|| ( UoI-NCSA MIT )"
# Note: this needs to be updated to match version of clang-9999
SLOT="5.0.0"
KEYWORDS=""
IUSE="+clang test"
LLVM_SLOT=${SLOT%%.*}
# llvm-4 needed for --cmakedir
DEPEND="
>=sys-devel/llvm-4
clang? ( sys-devel/clang )
test? (
$(python_gen_any_dep "~dev-python/lit-${PV}[\${PYTHON_USEDEP}]")
=sys-devel/clang-${PV%_*}*:${LLVM_SLOT} )
${PYTHON_DEPS}"
# least intrusive of all
CMAKE_BUILD_TYPE=RelWithDebInfo
pkg_setup() {
llvm_pkg_setup
python-any-r1_pkg_setup
}
test_compiler() {
$(tc-getCC) ${CFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c - \
<<<'int main() { return 0; }' &>/dev/null
}
src_configure() {
# pre-set since we need to pass it to cmake
BUILD_DIR=${WORKDIR}/${P}_build
if use clang; then
local -x CC=${CHOST}-clang
local -x CXX=${CHOST}-clang++
# ensure we can use clang before installing compiler-rt
local -x LDFLAGS="${LDFLAGS} -nodefaultlibs -lc"
strip-unsupported-flags
elif ! test_compiler; then
local extra_flags=( -nodefaultlibs -lc )
if test_compiler "${extra_flags[@]}"; then
local -x LDFLAGS="${LDFLAGS} ${extra_flags[*]}"
ewarn "${CC} seems to lack runtime, trying with ${extra_flags[*]}"
fi
fi
local mycmakeargs=(
-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${SLOT}"
-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
-DCOMPILER_RT_BUILD_SANITIZERS=OFF
-DCOMPILER_RT_BUILD_XRAY=OFF
)
if use test; then
mycmakeargs+=(
-DLIT_COMMAND="${EPREFIX}/usr/bin/lit"
-DCOMPILER_RT_TEST_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_SLOT}/bin/clang"
-DCOMPILER_RT_TEST_CXX_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_SLOT}/bin/clang++"
)
fi
cmake-utils_src_configure
}
src_test() {
# respect TMPDIR!
local -x LIT_PRESERVES_TMP=1
cmake-utils_src_make check-builtins
}
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