--- ./apps/graph/src/Makefile.inc.orig	2015-09-22 06:28:57.000000000 -0600
+++ ./apps/graph/src/Makefile.inc	2015-09-25 13:28:27.198353980 -0600
@@ -1,4 +1,4 @@
-ifneq ($(filter 4.8% 4.9%,${GCCversion}),)
+ifneq ($(filter 4.8% 4.9% 5%,${GCCversion}),)
   bipartite_signature$O : ExtraCXXFLAGS += -O1
 endif