diff --git a/lib/resource-1.0/Makefile b/lib/resource-1.0/Makefile
index 19a5ceb99..b8fedbc48 100644
--- a/lib/resource-1.0/Makefile
+++ b/lib/resource-1.0/Makefile
@@ -1,6 +1,11 @@
 GF=gf
 RTS=+RTS -M800M -K100M
 RTSS=+RTS -M1000M -K100M
+
+#may need this on amd64
+#RTS=+RTS -M2000M -K200M
+#RTSS=+RTS -M2000M -K200M
+
 GFCA=$(GF) -nocf
 GFCC=$(GF) -nocf -make
 GFC=$(GFCC) -src