Re: Multiple .o files from single .c file - how?

From: Peter Samuelson (peter@cadcamlab.org)
Date: Sun Apr 09 2000 - 01:37:07 EST


  [willy@thepuffingroup.com]
> > CFLAGS_init_task0.o = -DALIGN=0
> > CFLAGS_init_task1.o = -DALIGN=1
> > CFLAGS_init_task2.o = -DALIGN=2
> > CFLAGS_init_task3.o = -DALIGN=3
> >
> > init_task0.o init_task1.o init_task2.o init_task3.o : init_task.c
> > $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$@) -c -o $@ $<

[Krzysztof Halasa <khc@intrepid.pm.waw.pl>]
> But it seems you have to list all .h dependencies here - make dep generates
> dependencies for init_task.o and not for init_task[0123].o.

OK, have *one* of your .o files be the "natural" filename, and use the
dependencies from that:

  CFLAGS_init_task.o = -DALIGN=0
  CFLAGS_init_task1.o = -DALIGN=1
  CFLAGS_init_task2.o = -DALIGN=2
  CFLAGS_init_task3.o = -DALIGN=3

  init_task1.o init_task2.o init_task3.o : init_task.o
  init_task1.o init_task2.o init_task3.o init_task.o : init_task.c
          $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$@) -c -o $@ $<

Peter

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