package/nvidia-driver: become an OpenCL provider

We need to install the mesa3d-headers, because the CL headers are not
provided by nvidia-driver (just like it didn't provide the OpenGL
headers).

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/nvidia-driver/Config.in

@@ -60,6 +60,11 @@ if BR2_PACKAGE_NVIDIA_DRIVER_CUDA
 
 config BR2_PACKAGE_NVIDIA_DRIVER_OPENCL
 	bool "OpenCL support"
+	select BR2_PACKAGE_MESA3D_HEADERS
+	select BR2_PACKAGE_HAS_LIBOPENCL
+
+config BR2_PACKAGE_PROVIDES_LIBOPENCL
+	default "nvidia-driver" if BR2_PACKAGE_NVIDIA_DRIVER_OPENCL
 
 config BR2_PACKAGE_NVIDIA_DRIVER_CUDA_PROGS
 	bool "CUDA MPS server and control"

package/nvidia-driver/nvidia-driver.mk

@@ -116,6 +116,8 @@ ifeq ($(BR2_PACKAGE_NVIDIA_DRIVER_OPENCL),y)
 NVIDIA_DRIVER_LIBS += \
 	libOpenCL.so.1.0.0 \
 	libnvidia-opencl.so.$(NVIDIA_DRIVER_VERSION)
+NVIDIA_DRIVER_DEPENDENCIES += mesa3d-headers
+NVIDIA_DRIVER_PROVIDES += libopencl
 endif
 
 # Build and install the kernel modules if needed