Undo this previous change:

[MAIL_USE_POP]: Add support for "-g" and "-k"
command-line flags to tell movemail to use GSS-API or Kerberos
authentication if they are supported.

lib-src/movemail.c

@@ -197,43 +197,16 @@ main (argc, argv)
   char *spool_name;
 #endif
 
-#ifdef MAIL_USE_POP
-  int pop_flags = POP_NO_GETPASS | POP_NO_GSSAPI;
-# define ARGSTR "gkp"
-#else /* ! MAIL_USE_POP */
-# define ARGSTR "p"
-#endif /* MAIL_USE_POP */
-
   delete_lockname = 0;
 
-  /*
-    'g' enables Kerberos and disables GSS-API.
-    'k' enables GSS-API and disables Kerberos.
-
-    By default, Kerberos is enabled (if it is compiled in) and
-    GSS-API is disabled, i.e., "-k" is the default.  However, I'm
-    putting the flag in anyway, in case we decide to add new
-    authentication methods or change the default later.
-  */
-
-  while ((c = getopt (argc, argv, ARGSTR)) != EOF)
+  while ((c = getopt (argc, argv, "p")) != EOF)
     {
       switch (c) {
-#ifdef MAIL_USE_POP
-      case 'g':
-	pop_flags |= POP_NO_KERBEROS;
-	pop_flags &= ~POP_NO_GSSAPI;
-	break;
-      case 'k':
-	pop_flags |= POP_NO_GSSAPI;
-	pop_flags &= ~POP_NO_KERBEROS;
-	break;
-#endif
       case 'p':
 	preserve_mail++;
 	break;
       default:
-	goto usage;
+	exit(1);
       }
     }
 
@@ -245,12 +218,11 @@ main (argc, argv)
 #endif
       )
     {
-    usage:
-      fprintf (stderr, "Usage: movemail %s[-p] inbox destfile%s\n",
+      fprintf (stderr, "Usage: movemail [-p] inbox destfile%s\n",
 #ifdef MAIL_USE_POP
-	       "[-g|-k] ", " [POP-password]"
+	       " [POP-password]"
 #else
-	       "", ""
+	       ""
 #endif
 	       );
       exit (1);
@@ -291,7 +263,7 @@ main (argc, argv)
       int status;
 
       status = popmail (inname + 3, outname, preserve_mail,
-			(argc - optind == 3) ? argv[optind+2] : NULL, pop_flags);
+			(argc - optind == 3) ? argv[optind+2] : NULL);
       exit (status);
     }
 
@@ -710,12 +682,11 @@ char ibuffer[BUFSIZ];
 char obuffer[BUFSIZ];
 char Errmsg[80];
 
-popmail (user, outfile, preserve, password, flags)
+popmail (user, outfile, preserve, password)
      char *user;
      char *outfile;
      int preserve;
      char *password;
-     int flags;
 {
   int nmsgs, nbytes;
   register int i;
@@ -724,7 +695,7 @@ popmail (user, outfile, preserve, password, flags)
   char *getenv ();
   popserver server;
 
-  server = pop_open (0, user, password, flags);
+  server = pop_open (0, user, password, POP_NO_GETPASS);
   if (! server)
     {
       error (pop_error);