package/opencl-clhpp: new package

opencl-clhpp are the OpenCL API C++ bindings

Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1104,6 +1104,7 @@ F:	package/libeXosip2/
 F:	package/libolm/
 F:	package/libosip2/
 F:	package/ocrad/
+F:	package/opencl-clhpp/
 F:	package/opusfile/
 F:	package/restclient-cpp/
 F:	package/tesseract-ocr/

package/Config.in

@@ -1569,6 +1569,7 @@ menu "Graphics"
 	source "package/libvips/Config.in"
 	source "package/libwpe/Config.in"
 	source "package/menu-cache/Config.in"
+	source "package/opencl-clhpp/Config.in"
 	source "package/opencv3/Config.in"
 	source "package/opencv4/Config.in"
 	source "package/opengl/Config.in"

package/opencl-clhpp/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_OPENCL_CLHPP
+	bool "opencl-clhpp"
+	# header only library, so there is no build per-se, but
+	# packages depending on us will need C++ support
+	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_PACKAGE_HAS_LIBOPENCL
+	help
+	  opencl-clhpp are the OpenCL API C++ bindings
+
+	  http://github.khronos.org/OpenCL-CLHPP/
+
+comment "opencl-clhpp needs a toolchain w/ C++"
+	depends on BR2_PACKAGE_HAS_LIBOPENCL
+	depends on !BR2_INSTALL_LIBSTDCPP

package/opencl-clhpp/opencl-clhpp.hash

@@ -0,0 +1,3 @@
+# Locally Computed
+sha256  869456032e60787eed9fceaeaf6c6cb4452bc0ff97e0f5a271510145a1c8f4d4  opencl-clhpp-2.0.16.tar.gz
+sha256  cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30  LICENSE.txt

package/opencl-clhpp/opencl-clhpp.mk

@@ -0,0 +1,28 @@
+################################################################################
+#
+# opencl-clhpp
+#
+################################################################################
+
+OPENCL_CLHPP_VERSION = 2.0.16
+OPENCL_CLHPP_SITE = $(call github,KhronosGroup,OpenCL-CLHPP,v$(OPENCL_CLHPP_VERSION))
+OPENCL_CLHPP_LICENSE = Apache-2.0
+OPENCL_CLHPP_LICENSE_FILES = LICENSE.txt
+OPENCL_CLHPP_INSTALL_STAGING = YES
+
+# OpenCL_CLHPP is a header-only library
+OPENCL_CLHPP_INSTALL_TARGET = NO
+
+# This package has a CMake build system, and it checks for C++11
+# compliant compiler, but all we need to do is install two headers, so
+# let's do it manually.
+OPENCL_CLHPP_HEADERS = cl2.hpp opencl.hpp
+
+define OPENCL_CLHPP_INSTALL_STAGING_CMDS
+	$(foreach header,$(OPENCL_CLHPP_HEADERS), \
+		$(INSTALL) -D -m 0644 $(@D)/include/CL/$(header) \
+			$(STAGING_DIR)/usr/include/CL/$(header)
+	)
+endef
+
+$(eval $(generic-package))