--- bin/Makefile.in.orig	2016-02-16 23:32:04.000000000 +1100
+++ bin/Makefile.in	2016-05-26 04:47:29.000000000 +1000
@@ -238,7 +238,7 @@
 #INCLUDES += -I$(top_srcdir)/include
 
 #CFLAGS += -g
-CFLAGS = -g -O0
+CFLAGS = @CFLAGS@
 COMM = @COMM@
 COPYYEARS = @COPYYEARS@
 CPP = @CPP@