Add a comment to clarify the relationship between

mca_base_cmd_line_process_args() and opal_init_util() so
we do not forget their ordering needs, and subtle relationship.

This commit was SVN r15412.

orte/orted/orted_main.c

@@ -251,6 +251,17 @@ int orte_daemon(int argc, char *argv[])
     mca_base_cmd_line_process_args(cmd_line, &environ, &environ);
     
     /* Ensure that enough of OPAL is setup for us to be able to run */
+    /*
+     * NOTE: (JJH)
+     *  We need to allow 'mca_base_cmd_line_process_args()' to process command
+     *  line arguments *before* calling opal_init_util() since the command
+     *  line could contain MCA parameters that affect the way opal_init_util()
+     *  functions. AMCA parameters are one such option normally received on the
+     *  command line that affect the way opal_init_util() behaves.
+     *  It is "safe" to call mca_base_cmd_line_process_args() before 
+     *  opal_init_util() since mca_base_cmd_line_process_args() does *not*
+     *  depend upon opal_init_util() functionality.
+     */
     if (OPAL_SUCCESS != opal_init_util()) {
         fprintf(stderr, "OPAL failed to initialize -- orted aborting\n");
         exit(1);

orte/tools/orterun/orterun.c

@@ -333,6 +333,17 @@ int orterun(int argc, char *argv[])
     }
 
     /* Need to initialize OPAL so that install_dirs are filled in */
+    /*
+     * NOTE: (JJH)
+     *  We need to allow 'mca_base_cmd_line_process_args()' to process command
+     *  line arguments *before* calling opal_init_util() since the command
+     *  line could contain MCA parameters that affect the way opal_init_util()
+     *  functions. AMCA parameters are one such option normally received on the
+     *  command line that affect the way opal_init_util() behaves.
+     *  It is "safe" to call mca_base_cmd_line_process_args() before 
+     *  opal_init_util() since mca_base_cmd_line_process_args() does *not*
+     *  depend upon opal_init_util() functionality.
+     */
     opal_init_util();
     
     /* save the environment for launch purposes */