| C_SOURCES := main.c a.c b.c c.c |
| EXE := # Define a.out explicitly |
| MAKE_DSYM := NO |
| |
| all: a.out |
| |
| a.out: main.o libfoo.a |
| $(LD) $(LDFLAGS) $^ -o $@ |
| |
| lib_ab.a: a.o b.o |
| $(AR) $(ARFLAGS) $@ $^ |
| $(RM) $^ |
| |
| # Here we make a .a file that has two a.o files with different modification |
| # times and different content by first creating libfoo.a with only a.o and b.o, |
| # then we sleep for 2 seconds, touch c.o to ensure it has a different |
| # modification time, and then rename c.o to a.o and then add it to the .a file |
| # again. This is to help test that the module cache will create different |
| # directories for the two different a.o files. |
| libfoo.a: lib_ab.a c.o |
| sleep 2 |
| touch c.o |
| mv c.o a.o |
| $(AR) $(ARFLAGS) $@ lib_ab.a a.o |
| $(RM) a.o |
| |
| include Makefile.rules |