message: use optimization when generating dependency
  This is to avoid _FORTIFY_SOURCE requires compiling with optimization (-O) warning during compile
diff: @@ -213,7 +213,7 @@ def InvokeNvcc(argv, log=False):
  ' --compiler-options "' + host_compiler_options + '"' +
  ' --compiler-bindir=' + GCC_HOST_COMPILER_PATH +
  ' -I .' +
  - ' -x cu ' + includes + ' ' + srcs + ' -M -o ' + depfile)
  + ' -x cu ' + opt + includes + ' ' + srcs + ' -M -o ' + depfile)
  if log: Log(cmd)
  exit_status = os.system(cmd)
  if exit_status != 0:
  