diff --git a/site_ansto/Makefile b/site_ansto/Makefile
index f3200d12..8dfd9920 100644
--- a/site_ansto/Makefile
+++ b/site_ansto/Makefile
@@ -30,7 +30,8 @@ PSI_LIBS =  -L$(HDFROOT)/lib $(NILIB)\
 
 # ANSTO rules and variables
 CC       = gcc
-CFLAGS = -g -Ihardsup  -I..  -Wno-unused -Wno-comment -Wno-switch -Werror 
+INCFLAGS = -Ihardsup  -I..
+CFLAGS = -g $(INCFLAGS)  -Wno-unused -Wno-comment -Wno-switch -Werror 
 HDFROOT=/usr/local
 
 SRC = ./../..
@@ -97,6 +98,9 @@ clean:
 MZOBJ=fsm.o logger.o sugar.o pardef.o ease.o strobj.o oxinst.o  \
 	  ipsdriv.o ilmdriv.o itcdriv.o ighdriv.o euro2kdriv.o modbus.o
 
+incflags:
+	@echo ${INCFLAGS}
+
 cflags:
 	@echo ${CFLAGS}