Re: kbuild generating prefix-foo.o from foo.c

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On Fri, Oct 09, 2009 at 11:07:59AM +0530, kartikeyan sadasivuni wrote:
> hi,
> 
> >
> > Is it an option for you to create a copy of said file?
> 
> I could do this but just looking for a cleaner approach.
> I have a working solution but looking for better ways.
> I wanted to avoid using the line (as kbuild can change in future and
> so c_flags var)
>  $(CC) $(c_flags) -c -o $@ $<
> and call something Kbuild already has
> but  with changed prerequisite/dependency.

Did you read what I suggested at all?
>From your answer I think not.

Please go re-read my answer and realize that it is _kbuild_
that reates the copy of the file and thus things *just works*.

kbuild (make) will see that foo.c is missing
and create is using the rule I suggested:

$(obj)/foo: $(src)/foo-prefix.c
	cat $< > $@ || (rm $@ && false)

So you do _not_ have to specify c_flags or anything like that
to make it work.

	Sam
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