Okaaayyy....let's see if this restores the "prefix" command line option. No idea what the problem was with the other option, but it isn't critical right now, so I'll figure it out later.

This commit was SVN r9542.

orte/tools/orterun/orterun.c

@@ -230,9 +230,6 @@ opal_cmd_line_init_t cmd_line_init[] = {
     { NULL, NULL, NULL, '\0', NULL, "tmpdir", 1,
       &orte_process_info.tmpdir_base, OPAL_CMD_LINE_TYPE_STRING,
       "Set the root for the session directory tree for orterun ONLY" },
-    { "orte", "universe", "exist", '\0', NULL, "exist", (int)false,
-      NULL, OPAL_CMD_LINE_TYPE_BOOL,
-      "Report error if universe does not already exist" },
 
     { NULL, NULL, NULL, '\0', NULL, "prefix", 1,
       NULL, OPAL_CMD_LINE_TYPE_STRING,