CFLAGS = -n -O all: prep : cp: all cp prep /bin rm prep *.o cmp: all cmp prep /bin/prep rm prep *.o prep: prep0.o prep1.o prep2.o; cc -s -o prep -n *.o prep0.o: prep0.c prep.h prep1.o: prep1.c prep.h prep2.o: prep2.c