diff --git a/tools/Makefile b/tools/Makefile
index 31044e65..6e997dcc 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -3,34 +3,37 @@
 #	use with caution
 #
 
-COPT = -Wall -fpic -g -DDEBUG_LEVEL=1
+COPT = -Wall -fpic -g -DDEBUG_LEVEL=0
 DEPS = ../floatimg.h  ../libfloatimg.a Makefile
 
 # 			----------
 
 all:	fimg2pnm addtga2fimg mkfimg png2fimg fimgstats fimg2png	\
-	addpnm2fimg
+	addpnm2fimg cumulfimgs
 
 fimgstats:	fimgstats.c $(DEPS)
-	gcc -g $< ../libfloatimg.a -o $@ 
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
+
+cumulfimgs:	cumulfimgs.c $(DEPS)
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
 mkfimg:		mkfimg.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -o $@ 
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
 fimg2pnm:	fimg2pnm.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -o $@ 
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
 fimg2png:	fimg2png.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -o $@ 
+	gcc $(COPT) $< ../libfloatimg.a -o $@ 
 
 addtga2fimg:	addtga2fimg.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -limageSO -lm -o $@
+	gcc $(COPT) $< ../libfloatimg.a -limageSO -lm -o $@
 
 addpnm2fimg:	addpnm2fimg.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -lm -o $@
+	gcc $(COPT) $< ../libfloatimg.a -lm -o $@
 
 
 # if "undefined reference to crc32" then "use -lz"
 png2fimg:	png2fimg.c  $(DEPS)
-	gcc -g $< ../libfloatimg.a -lpnglite -o $@
+	gcc $(COPT) $< ../libfloatimg.a -lpnglite -o $@