Index: generic/nsf.c
===================================================================
diff -u -r524d54ea56f3cbe5ffd32cd6db8e72b0fe57db77 -r14091c15df049d9cdb1417c6f037b333b0b82bdd
--- generic/nsf.c	(.../nsf.c)	(revision 524d54ea56f3cbe5ffd32cd6db8e72b0fe57db77)
+++ generic/nsf.c	(.../nsf.c)	(revision 14091c15df049d9cdb1417c6f037b333b0b82bdd)
@@ -11480,11 +11480,13 @@
       /* every parameter must have at least a name set */
       assert(paramPtr->name);
     }
+#if defined(NSF_WITH_VALUE_WARNINGS)
     if (nrNonposArgs > 0 && argsc > 1) {
       for (i=0; i < argsc; i++) {
 	(paramsPtr + i)->flags |= NSF_ARG_CHECK_NONPOS;
       }
     }
+#endif
 
     /*
      * If all arguments are good old Tcl arguments, there is no need