| C_SOURCES := main.c | |
| # Make an archive that has two object files with the same name, but | |
| # different timestamps. Do it all in one rule so that the timestamps | |
| # can be controlled without confusing Make. | |
| libfoo.a: a.c sub1/a.c | |
| $(CC) $(CFLAGS) -c $(<D)/a.c -o a.o | |
| $(call MKDIR_P,sub1) | |
| $(CC) $(CFLAGS) -c $(<D)/sub1/a.c -o sub1/a.o | |
| touch -t '198001010000.00' a.o | |
| touch -t '198001010000.01' sub1/a.o | |
| $(AR) $(ARFLAGS) $@ a.o sub1/a.o | |
| rm a.o sub1/a.o | |
| include Makefile.rules | |
| # Needs to come after include | |
| OBJECTS += libfoo.a | |
| $(EXE) : libfoo.a | |
| .DEFAULT_GOAL := $(EXE) |