-diff --git a/Makefile b/Makefile
-index 5e0fddb..301fd02 100644
---- a/Makefile
-+++ b/Makefile
-@@ -1,4 +1,3 @@
--OPTIMIZE = -O2
- CC = gcc
- MATHLIB = -lm
-
-@@ -13,16 +12,16 @@ INCLUDES = block.h blocke.h config.h core.h coree.h defaults.h double.h \
- string.h tools.h toolse.h udio.h ver.h ycore.h yforth.h
-
- yforth: div.h $(OBJECTS)
-- $(CC) -o yforth $(OBJECTS) $(MATHLIB)
-+ $(CC) -o yforth $(LDFLAGS) $(OBJECTS) $(MATHLIB)
-
- div.h: div
- ./div
-
- div: division.c
-- $(CC) -o div division.c
-+ $(CC) -o div $(CFLAGS) $(CPPFLAGS) division.c
-
- .c.o:
-- $(CC) -c -o $@ $(OPTIMIZE) $<
-+ $(CC) -c -o $@ $(CFLAGS) $(CPPFLAGS) $<
-
- clean:
- rm -f *.o yforth div.h div