[
("-daemon",Arg.Set(daemonize), "Daemonize");
("-conffile",Arg.Set_string(Globals.conffile), "Config file");
+ ("-logfile",Arg.Set_string(Globals.log_filepath), "Log file");
("-backend",Arg.Set_string(Globals.backend), "Backend directory");
("-frontend",Arg.Tuple[Arg.String(fun s->cur_dir:=s);
Arg.String(fun s->cur_slice:=s;