1VPATH = work/
 2
 3GPATH = $(VPATH)
 4
 5.SUFFIXES: .a .b .c .d
 6.PHONY: general rename notarget intermediate
 7
 8%.a:
 9%.b:
10%.c:
11%.d:
12
13%.a : %.b ; cat $^ > $@
14%.b : %.c ; cat $^ > $@
15%.c :: %.d ; cat $^ > $@
16
17# General testing info:
18
19general: foo.b
20foo.b: foo.c bar.c
21