[PATCH] add directive to enter/leave alternate macro mode

[Nick Clifton]

Hi Jan,

> This doesn't seem to work for me. Since getopt_long_only accepts option
> abbreviations as well as long options with only a single dash, -al gets
> treated as -alternate now, breaking previous behavior.

Ah - good point.  This version of the patch should cope with that however...

Cheers
   Nick
------------------------------------------------------------------
Index: gas/as.c
===================================================================
RCS file: /cvs/src/src/gas/as.c,v
retrieving revision 1.51
diff -c -3 -p -r1.51 as.c
*** gas/as.c	27 Oct 2003 12:45:17 -0000	1.51
--- gas/as.c	3 Aug 2004 12:37:12 -0000
*************** parse_args (int * pargc, char *** pargv)
*** 414,419 ****
--- 414,420 ----
         OPTION_TARGET_HELP,
         OPTION_EXECSTACK,
         OPTION_NOEXECSTACK,
+       OPTION_ALTERNATE,
         OPTION_WARN_FATAL
       };

*************** parse_args (int * pargc, char *** pargv)
*** 457,462 ****
--- 458,464 ----
       {"execstack", no_argument, NULL, OPTION_EXECSTACK},
       {"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK},
   #endif
+     {"alternate", no_argument, NULL, OPTION_ALTERNATE},
       {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}
       /* When you add options here, check that they do not collide with
          OPTION_MD_BASE.  See as.h.  */
*************** the GNU General Public License.  This pr
*** 731,736 ****
--- 733,751 ----
   	  flag_always_generate_output = 1;
   	  break;

+ 	case OPTION_ALTERNATE:
+ 	  optarg = old_argv [optind - 1];
+ 	  while (* optarg == '-')
+ 	    optarg ++;
+
+ 	  if (strcmp (optarg, "alternate") == 0)
+ 	    {
+ 	      printf ("--Alternate\n");
+ 	      break;
+ 	    }
+ 	  optarg ++;
+ 	  /* Fall through.  */
+
   	case 'a':
   	  if (optarg)
   	    {