if(ITK_USE_GPU)
  set(ITKGPUPDEDeformableRegistration_SRCS)

  set(ITKGPUPDEDeformableRegistration_Kernels GPUDemonsRegistrationFunction.cl GPUPDEDeformableRegistrationFilter.cl)

  write_gpu_kernels("${ITKGPUPDEDeformableRegistration_Kernels}" ITKGPUPDEDeformableRegistration_SRCS)

  itk_module_add_library(ITKGPUPDEDeformableRegistration ${ITKGPUPDEDeformableRegistration_SRCS})
  target_link_libraries(ITKGPUPDEDeformableRegistration LINK_PUBLIC ${OPENCL_LIBRARIES})
endif()