message: Allowing the option of CUDA memory space only if CUDA is enabled
diff: @@ -37,7 +37,9 @@ enum class MemorySpace
  {
  Detect, ///< Detect the memory space automatically
  Host, ///< Host memory space (default)
  +#ifdef ADIOS2_HAVE_CUDA
  CUDA ///< CUDA memory spaces
  +#endif
  };
  /** Variable shape type identifier, assigned automatically from the signature of
  