message: Instead of "option" use "set" to define non-bool cmake build args.
diff: @@ -36,8 +36,8 @@ option(tensorflow_ENABLE_SNAPPY_SUPPORT "Enable SNAPPY compression support" ON)
  # GPU, CUDA and cuDNN options
  option(tensorflow_ENABLE_GPU "Enable GPU support" OFF)
  -option(tensorflow_CUDA_VERSION "CUDA version to build against" 9.0)
  -option(tensorflow_CUDNN_VERSION "cuDNN version to build against" 7)
  +set(tensorflow_CUDA_VERSION "9.0" CACHE STRING "CUDA version to build against")
  +set(tensorflow_CUDNN_VERSION "7" CACHE STRING "cuDNN version to build against")
  if(HAIKU)
  option(tensorflow_ENABLE_POSITION_INDEPENDENT_CODE "Enable PIE support" OFF)
  