Fix the env_list support - the MCA param was being set way too early, so provide a "backdoor" way of providing the value

opal/mca/base/mca_base_var.c

@@ -13,7 +13,7 @@
  * Copyright (c) 2008-2015 Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2012-2015 Los Alamos National Security, LLC. All rights
  *                         reserved.
- * Copyright (c) 2014      Intel, Inc. All rights reserved.
+ * Copyright (c) 2014-2016 Intel, Inc. All rights reserved.
  * Copyright (c) 2015      Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
  * $COPYRIGHT$
@@ -366,7 +366,7 @@ static void process_env_list(char *env_list, char ***argv, char sep)
     opal_argv_free(tokens);
 }
 
-int mca_base_var_process_env_list(char ***argv)
+int mca_base_var_process_env_list(char *list, char ***argv)
 {
     char sep;
     sep = ';';
@@ -379,7 +379,9 @@ int mca_base_var_process_env_list(char ***argv)
             return OPAL_SUCCESS;
         }
     }
-    if (NULL != mca_base_env_list) {
+    if (NULL != list) {
+        process_env_list(list, argv, sep);
+    } else if (NULL != mca_base_env_list) {
         process_env_list(mca_base_env_list, argv, sep);
     }
 

opal/mca/base/mca_base_var.h

@@ -13,6 +13,7 @@
  * Copyright (c) 2008-2011 Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2012-2015 Los Alamos National Security, LLC. All rights
  *                         reserved.
+ * Copyright (c) 2016      Intel, Inc. All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -729,7 +730,7 @@ OPAL_DECLSPEC int mca_base_var_dump(int vari, char ***out, mca_base_var_dump_typ
  * Parse a provided list of envars and add their local value, or
  * their assigned value, to the provided argv
  */
-OPAL_DECLSPEC int mca_base_var_process_env_list(char ***argv);
+OPAL_DECLSPEC int mca_base_var_process_env_list(char *list, char ***argv);
 OPAL_DECLSPEC int mca_base_var_process_env_list_from_file(char ***argv);
 
 END_C_DECLS

orte/mca/schizo/ompi/schizo_ompi.c

@@ -688,7 +688,7 @@ static int parse_env(char *path,
         if (!set_from_file) {
             /* set necessary env variables for external usage */
             vars = NULL;
-            if (OPAL_SUCCESS == mca_base_var_process_env_list(&vars) &&
+            if (OPAL_SUCCESS == mca_base_var_process_env_list(env_set_flag, &vars) &&
                     NULL != vars) {
                 for (i=0; NULL != vars[i]; i++) {
                     value = strchr(vars[i], '=');