On Tue, Aug 19, 2008 at 10:40:16PM +0800, Jeremy Kerr wrote: > > > That should be fine: we just add a rule for %.o: %.S > > OK, that's not going to work, because rules of the form > > list: pattern: prereq > > *require* the prereqs to be build. ie, in our case: > > $(PURGATORY_OBJS): %.o: %.S > > will require a .S for all .o files in PURGATORY_OBJS. Which is not what > we want :( > > So, the solution left would be to override COMPILE.c, COMPILE.S and > LINK.o for target and build compiles. For example: > > $(PURGATORY_OBJS): COMPILE.c = $(TARGET_CC) $(TARGET_CFLAGS) \ > $(TARGET_CPPFLAGS) -c > > It's unlikely that a user is going to override COMPILE.c on the make > command-line :) > > How does that sound? Sounds fine to me. Another option is to split up PURGATORY_OBJS and PURGATORY_SRCS based on wheather the source is a .S or a .c file. Though I suspect your idea is cleaner.
