diff --git a/tecs/Makefile b/tecs/Makefile
index 16792cd1..c6f338b7 100644
--- a/tecs/Makefile
+++ b/tecs/Makefile
@@ -10,11 +10,11 @@ CLI_OBJ= tecs_cli.o coc_client.o $(LIBR_OBJ)
 TCLI_OBJ= tecs_client.o tecs_plot.o tecs_for.o sys_aunix.o sys_aunix_c.o str.o cho.o $(CLI_OBJ) $(DLOG_OBJ)
 
 #------------ for DigitalUnix (add -DFORTIFY to CFLAGS for fortified version)
-##CC=cc
-##CFLAGS= -std1 -g -warnprotos -I../ -I. -I../hardsup
+CC=cc
+CFLAGS= -std1 -g -warnprotos -I../ -I. -I../hardsup
 #------------ for Linux
-CC=gcc
-CFLAGS = -fwritable-strings -DCYGNUS -DNONINTF -g -I../ -I. -I../hardsup
+##CC=gcc
+##CFLAGS = -fwritable-strings -DCYGNUS -DNONINTF -g -I../ -I. -I../hardsup
 #------------
 
 .f.o: