if(ELASTIX_USE_OPENCL)
  ADD_ELXCOMPONENT( OpenCLFixedGenericPyramid
    elxOpenCLFixedGenericPyramid.h
    elxOpenCLFixedGenericPyramid.hxx
    elxOpenCLFixedGenericPyramid.cxx)

  include_directories(
  ../FixedGenericPyramid)

  if(USE_OpenCLFixedGenericPyramid)
    target_link_libraries(OpenCLFixedGenericPyramid elxOpenCL)
  endif()
else()
  # If the user set USE_OpenCLFixedGenericPyramid ON, but ELASTIX_USE_OPENCL was OFF,
  # then issue a warning.
  if(USE_OpenCLFixedGenericPyramid)
    message(WARNING "You selected to compile OpenCLFixedGenericPyramid, "
      "but ELASTIX_USE_OPENCL is OFF.\n"
      "Set both options to ON to be able to build this component.")
  endif()

  # If ELASTIX_USE_OPENCL is not selected, then the elxOpenCL
  # library is not created, and we cannot compile this component.
  set(USE_OpenCLFixedGenericPyramid OFF CACHE BOOL "Compile this component" FORCE)
  mark_as_advanced(USE_OpenCLFixedGenericPyramid)

  # This is required to get the OpenCLFixedGenericPyramid out of the AllComponentLibs
  # list defined in Components/CMakeLists.txt.
  REMOVE_ELXCOMPONENT( OpenCLFixedGenericPyramid)
endif()