This patch is for 5.5.

WL#5914 remove option "--all" of the "perror" program.
In 5.5 we just give a deprecation warning; in trunk we remove the option.

extra/perror.c

-/* Copyright (C) 2000 MySQL AB
+/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -11,7 +11,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
 /* Return error-text for system error messages and handler messages */
 
@@ -64,7 +64,8 @@ static struct my_option my_long_options[] =
    &ndb_code, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
 #endif
 #ifdef HAVE_SYS_ERRLIST
-  {"all", 'a', "Print all the error messages and the number.",
+  {"all", 'a', "Print all the error messages and the number. Deprecated,"
+   " will be removed in a future release.",
    &print_all_codes, &print_all_codes, 0, GET_BOOL, NO_ARG,
    0, 0, 0, 0, 0, 0},
 #endif
@@ -295,6 +296,8 @@ int main(int argc,char *argv[])
   if (print_all_codes)
   {
     HA_ERRORS *ha_err_ptr;
+    printf("WARNING: option '-a/--all' is deprecated and will be removed in a"
+           " future release.\n");
     for (code=1 ; code < sys_nerr ; code++)
     {
       if (sys_errlist[code] && sys_errlist[code][0])