let standard_modules =
  [
    "arg.ml";
    "arrayLabels.ml";
    "array.ml";
    "buffer.ml";
    "callback.ml";
    "camlinternalLazy.ml";
    "camlinternalMod.ml";
    "camlinternalOO.ml";
    "char.ml";
    "complex.ml";
    "digest.ml";
    "filename.ml";
    "format.ml";
    "gc.ml";
    "genlex.ml";
    "hashtbl.ml";
    "int32.ml";
    "int64.ml";
    "lazy.ml";
    "lexing.ml";
    "listLabels.ml";
    "list.ml";
    "map.ml";
    "marshal.ml";
    "moreLabels.ml";
    "nativeint.ml";
    "obj.ml";
    "oo.ml";
    "parsing.ml";
    "pervasives.ml";
    "printexc.ml";
    "printf.ml";
    "queue.ml";
    "random.ml";
    "scanf.ml";
    "set.ml";
    "sort.ml";
    "stack.ml";
    "std_exit.ml";
    "stdLabels.ml";
    "stream.ml";
    "stringLabels.ml";
    "string.ml";
    "sys.ml";
    "weak.ml";
    "unix.ml";
  ]