michael@0: $(shell \
michael@0: mkdir foo; \
michael@0: touch a.c b.c c.out foo/d.c; \
michael@0: sleep 2; \
michael@0: touch c.in; \
michael@0: )
michael@0: 
michael@0: VPATH = foo
michael@0: 
michael@0: all: c.out prog
michael@0: 	cat $<
michael@0: 	test "$$(cat $<)" = "remadec.out"
michael@0: 	@echo TEST-PASS
michael@0: 
michael@0: *.out: %.out: %.in
michael@0: 	test "$@" = c.out
michael@0: 	test "$<" = c.in
michael@0: 	printf "remade$@" >$@
michael@0: 
michael@0: prog: *.c
michael@0: 	test "$^" = "a.c b.c"
michael@0: 	touch $@