1C_SOURCES := main.c a.c b.c2MAKE_DSYM := NO3 4all: a.out 5 6a.out: main.o libfoo.a7 $(LD) $(LDFLAGS) $^ -o $@8 9libfoo.a: a.o b.o10 $(AR) $(ARFLAGS) $@ $^11 12include Makefile.rules13
