../../utils/portinfo.c:245:67: error: expected ';' at end of declaration
  error_t parse_opt (int key, char *arg, struct argp_state *state)
                                                                  ^
                                                                  ;
../../utils/portinfo.c:347:16: error: use of undeclared identifier 'argp'
  argp_parse (&argp, argc, argv, 0, 0, 0);
               ^
2 errors generated.