On Tue, May 27, 2008 at 09:01:45PM +0200, Vegard Nossum wrote:
> On Tue, May 27, 2008 at 8:44 PM, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
> > On Tue, May 27, 2008 at 08:14:31PM +0200, Vegard Nossum wrote:
> >> Hi,
> >>
> >> I don't know if this is a regression or what (I've observed it for a
> >> while), but now I thought I'd let you know about it:
> >>
> >> $ make arch/x86/
> >> CHK include/linux/version.h
> >> CHK include/linux/utsrelease.h
> >> CC kernel/bounds.s
> >> GEN include/linux/bounds.h
> >> CC arch/x86/kernel/asm-offsets.s
> >> GEN include/asm-x86/asm-offsets.h
> >> CALL scripts/checksyscalls.sh
> >> [...]/linux-2.6/arch/x86/Makefile:37: *** Recursive variable
> >> `KBUILD_CFLAGS' references itself (eventually). Stop.
> >> make: *** [arch/x86/] Error 2
> >
> > This is unfortunately what you should expect
> > because the directory arch/x86/ is special as it does
> > not contain a regular Kbuild file but instead contains
> > a badly named arch configuration file (Makefile).
> >
> >>
> >> Are there any work-arounds or easy fixes for this? Thanks.
> > For each directory in arch/x86/* do make arch/x86/{directory}
> >
>
> Thanks.
>
> How about splitting a part of arch/*/Makefile into
> arch/*/Makefile.arch and including this new Makefile.arch from the
> top-level Makefile instead?
>
> -include $(srctree)/arch/$(SRCARCH)/Makefile
> +include $(srctree)/arch/$(SRCARCH)/Makefile.arch
I have looked into doing this in a clean way.
But in the end I always stumbled over something for
one of the archs and then I dropped it again.
The purpose of splitting it up should be to simplify
the top-level Makefile and enabling make arch/x86/ would
be a nice sideeffect.
Sam
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