Prepend '-m' to --hrlp output of target specific options.

Ignore text after end of first word of a language specific option.

From-SVN: r23151

gcc/ChangeLog

+Sat Oct 17 11:02:47 1998  Nick Clifton  <nickc@cygnus.com>
+
+	* toplev.c (display_help): Prepend '-m' to target specific
+	options. 
+	(check_lang_option): Ignore text after end of first word of a
+	language specific option.
+
 Sat Oct 17 02:26:03 1998  Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> 
 
 	* reload1.c (reg_used_by_pseudo): New static variable.

gcc/toplev.c

@@ -4120,7 +4120,7 @@ display_help ()
 	  else if (description == NULL)
 	    undoc = 1;
 	  else if (* description != 0)
-	    doc += printf ("  %-23.23s %s\n", option, description);
+	    doc += printf ("  -m%-21.21s %s\n", option, description);
 	}
       
 #ifdef TARGET_OPTIONS      
@@ -4134,7 +4134,7 @@ display_help ()
 	  else if (description == NULL)
 	    undoc = 1;
 	  else if (* description != 0)
-	    doc += printf ("  %-23.23s %s\n", option, description);
+	    doc += printf ("  -m%-21.21s %s\n", option, description);
 	}
 #endif
       if (undoc)
@@ -4159,11 +4159,15 @@ check_lang_option (option, lang_option)
   lang_independent_options * indep_options;
   int    len;
   long    k;
+  char * space;
   
   /* Ignore NULL entries.  */
   if (option == NULL || lang_option == NULL)
     return 0;
 
+  if ((space = strchr (lang_option, ' ')) != NULL)
+    len = space - lang_option;
+  else
     len = strlen (lang_option);
   
   /* If they do not match to the first n characters then fail.  */