--- ./Jamrules.orig	2014-03-06 13:45:47.495401383 -0600
+++ ./Jamrules	2014-03-06 13:46:02.417400626 -0600
@@ -35,7 +35,7 @@
 }
 else {
     C++ = g++ ;
-    C++FLAGS += -W -Wall -Wno-unused-result ;
+    C++FLAGS += -W -Wall ;
     BUILD = build/gcc ;
     if $(OPTIM) {
         BUILD = build/gcc$(OPTIM) ;