--- Makefile~	2010-06-28 12:10:33.000000000 -0500
+++ Makefile	2010-06-28 12:10:58.138179750 -0500
@@ -54,7 +54,7 @@
 # Under Cygwin replace strip $@ with strip $@.exe
 
 cfdg: $(OBJS)
-	$(LINK.o) $^ -L/usr/local/lib -lstdc++ -lpng -lz -fexceptions -o $@
+	$(LINK.o) $^ -L/usr/local/lib -lstdc++ -lpng -lz -lm -fexceptions -o $@
 #	strip $@