dev-libs/libclc: Bump to 0.2.0_pre20201001 snapshot

Signed-off-by: Michał Górny <[email protected]>

dev-libs/libclc/Manifest

@@ -1 +1,2 @@
 DIST libclc-0.2.0_pre20191024.tar.xz 128628 BLAKE2B dc750725ee48456e3678cb4f730cc889045ff7401c4b40ac3ae9b656da9fe429aa2094c2042a18eda4f7e87c786ff8ae121fbf726a18de03884f30dad48b3fa1 SHA512 b4c2ca980fb28b5662055bea951de844284fcf122695234d7618439234f0203baf82b5cc5cf8acddfe387f19d32be3a958e53511bb1e33e9469f6be5951dbcdb
+DIST libclc-0.2.0_pre20201001.tar.xz 122180 BLAKE2B 8587c5b29d517a6c54a927b529f7e5651f154785e4299ad6b90007bdbae19ffccea75ec873a308b9a025effbb6316f91e70f82af19cdcdaad87c4f1af2595f78 SHA512 1fc10fcd6163991fe3ce474351d07f892a628fbd4e4cfb9ea96f1288db421b7be87c1f818593bea7409e7a17a5fd4c84a07a88f5c3d998ef97ac0425970abf4d

dev-libs/libclc/libclc-0.2.0_pre20201001.ebuild

@@ -0,0 +1,53 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+PYTHON_COMPAT=( python3_{6..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
+	[[ ${#libclc_targets[@]} ]] || die "libclc target missing!"
+
+	local mycmakeargs=(
+		-DLIBCLC_TARGETS_TO_BUILD="${libclc_targets[*]}"
+		-DLLVM_CONFIG="$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
+	)
+	cmake_src_configure
+}