dev-util/rocm-clang-ocl: OpenCL compilation with clang compiler.

This small package migrated from science overlay is the dependency
of sci-libs/MIOpen (currently in ::science; prepared for ::gentoo)

Closes: https://github.com/gentoo/gentoo/pull/22824
Package-Manager: Portage-3.0.20, Repoman-3.0.3
Signed-off-by: Yiyang Wu <xgreenlandforwyy@gmail.com>
Signed-off-by: Benda Xu <heroxbd@gentoo.org>

dev-util/rocm-clang-ocl/Manifest

@@ -0,0 +1 @@
+DIST rocm-clang-ocl-4.3.0.tar.gz 3241 BLAKE2B 1a646d64e42a8884a7714b4ca25d888aa1e84d68be3f6ceacefcf7836340133740c8df85f152fadb40d463af76eb659f0fd11ebd2b0a6a3c0da3b7ac64bf541c SHA512 059d0d118205d6f4c2a61222fc74709a86bbe71687615debcc1698f73c28a769379b909cd18742b4d3340ba30a65b02da9224fbe5fe0e2fb005d9a45f22dfe9c

dev-util/rocm-clang-ocl/metadata.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<pkgmetadata>
+  <maintainer type="project">
+    <email>sci@gentoo.org</email>
+  </maintainer>
+  <maintainer type="person">
+    <email>gentoo@holzke.net</email>
+    <name>Wilfried Holzke</name>
+  </maintainer>
+  <maintainer type="person">
+    <email>xgreenlandforwyy@gmail.com</email>
+    <name>Yiyang Wu</name>
+  </maintainer>
+</pkgmetadata>

dev-util/rocm-clang-ocl/rocm-clang-ocl-4.3.0.ebuild

@@ -0,0 +1,31 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake
+
+DESCRIPTION="OpenCL compilation with clang compiler"
+HOMEPAGE="https://github.com/RadeonOpenCompute/clang-ocl.git"
+SRC_URI="https://github.com/RadeonOpenCompute/clang-ocl/archive/rocm-${PV}.tar.gz -> rocm-clang-ocl-${PV}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0/$(ver_cut 1-2)"
+KEYWORDS="~amd64"
+
+RDEPEND="dev-libs/rocm-opencl-runtime:${SLOT}"
+DEPEND="
+	dev-util/rocm-cmake:${SLOT}
+	${RDEPEND}"
+
+S="${WORKDIR}/clang-ocl-rocm-${PV}"
+
+src_prepare() {
+	sed -e "s:HINTS \${CXX_COMPILER_PATH}/bin:NO_DEFAULT_PATH:" \
+		-e "s:/opt/rocm/llvm/bin:${EPREFIX}/usr/lib/llvm/roc/bin:" \
+		-e "/AMDDeviceLibs PATHS/s:/opt/rocm:${EPREFIX}/usr/lib/cmake/AMDDeviceLibs:" \
+		-e "s:\${AMD_DEVICE_LIBS_PREFIX}/amdgcn/bitcode:${EPREFIX}/usr/lib/amdgcn/bitcode:" \
+		-i CMakeLists.txt || die
+
+	cmake_src_prepare
+}