add: if (ret != 0) { fprintf (stderr, "Sound driver initialization failed.\n" "This may happen when a soundcard is " "not present or not available.\n" "NOTICE: Try running UQM with '--sound=none' option\n"); exit (-1); }  return ret;
context: TFB_InitSound (int driver, int flags){#ifdef  HAVE_OPENAL	return (TFB_choose_InitSound (driver, flags));#else	if (driver == TFB_SOUNDDRIVER_OPENAL)	{		fprintf (stderr, "OpenAL driver not compiled in, so using MixSDL\n");		driver = TFB_SOUNDDRIVER_MIXSDL;	}	return (TFB_mixSDL_InitSound (driver, flags));#endif}