anchor.diff:  
   norm_sources(S) ->
       [nifty_utils:expand(X) || X <- S].
  -
  -
  
positive.code: 	_ ->
  	    get_spec_env(ModuleName, T)
      end.
  
  
  
  norm_opts(Options) ->
      case proplists:get_value(env, Options) of
  
negative.code:     {BaseConfig1, Cmds} = nifty_rebar:save_options(BaseConfig, Args),
      nifty_rebar:run(BaseConfig1, Cmds).
  
  -spec compile(string(), module(), options()) -> 'ok'.
  compile(InterfaceFile, Module, Options) ->
      ModuleName = atom_to_list(Module),
      os:putenv("NIF", libname(ModuleName)),
      UCO = update_compile_options(InterfaceFile, ModuleName, Options),
      Env = build_env(ModuleName, UCO),
  