../../utils/login.c:419:75: error: expected ';' at end of declaration
  error_t use_child_init_port (int which, error_t (*operate)(mach_port_t))
                                                                          ^
                                                                          ;
../../utils/login.c:581:16: error: use of undeclared identifier 'argp'
  argp_parse (&argp, argc, argv, ARGP_IN_ORDER, 0, 0);
               ^
2 errors generated.