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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python3_{7..9} )
inherit cmake llvm prefix python-any-r1 toolchain-funcs
DESCRIPTION="OpenCL C library"
HOMEPAGE="https://libclc.llvm.org/"
# libclc subdir of https://github.com/llvm/llvm-project.git
SRC_URI="https://dev.gentoo.org/~mgorny/dist/${P}.tar.xz"
LICENSE="Apache-2.0-with-LLVM-exceptions || ( MIT BSD )"
SLOT="0"
KEYWORDS="amd64 x86"
IUSE_VIDEO_CARDS="video_cards_nvidia video_cards_r600 video_cards_radeonsi"
IUSE="${IUSE_VIDEO_CARDS}"
REQUIRED_USE="|| ( ${IUSE_VIDEO_CARDS} )"
BDEPEND="
|| (
sys-devel/clang:12
sys-devel/clang:11
sys-devel/clang:10
sys-devel/clang:9
)
${PYTHON_DEPS}"
llvm_check_deps() {
has_version -b "sys-devel/clang:${LLVM_SLOT}"
}
pkg_setup() {
# we do not need llvm_pkg_setup
python-any-r1_pkg_setup
}
src_configure() {
local libclc_targets=()
use video_cards_nvidia && libclc_targets+=("nvptx--" "nvptx64--" "nvptx--nvidiacl" "nvptx64--nvidiacl")
use video_cards_r600 && libclc_targets+=("r600--")
use video_cards_radeonsi && libclc_targets+=("amdgcn--" "amdgcn-mesa-mesa3d" "amdgcn--amdhsa")
# TODO: spirv
[[ ${#libclc_targets[@]} ]] || die "libclc target missing!"
libclc_targets=${libclc_targets[*]}
local mycmakeargs=(
-DLIBCLC_TARGETS_TO_BUILD="${libclc_targets// /;}"
-DLLVM_CONFIG="$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
)
cmake_src_configure
}
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