message: ENH: added check on CUDA version, support currently starts at v4.1
diff: @@ -93,7 +93,12 @@ set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
  find_package(CUDA_wrap)
  if(CUDA_FOUND)
  + if(${CUDA_VERSION} LESS 4.1)
  + message(WARNING "CUDA version ${CUDA_VERSION} is not supported by RTK.")
  + set(RTK_USE_CUDA_DEFAULT OFF)
  + else()
  set(RTK_USE_CUDA_DEFAULT ON)
  + endif()
  else()
  set(RTK_USE_CUDA_DEFAULT OFF)
  endif()
  