Date: Mon, 22 Mar 2004 06:56:17 +0100
From: Sam Ravnborg <sam@ravnborg.org>
To: Michael Still <mikal@stillhq.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Makefile dependancies: scripts depending on configured kernel?
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On Mon, Mar 22, 2004 at 09:16:07AM +1100, Michael Still wrote:
> 
> Hey,
> 
> the top level Makefile specifies that the scripts depend on the kernel 
> being configured before the scripts can be built:
> 
> scripts: scripts_basic include/config/MARKER
> 	$(Q)$(MAKE) $(build)=$(@)
> 
> I think that this is probably a problem, because it means people can't 
> build any of the documentation targets without having configured the kernel.

The dependency for docs is (now) wrong.
It should be:
# Documentation targets
# ---------------------------------------------------------------------------
%docs: scripts_basic FORCE
        $(Q)$(MAKE) $(build)=Documentation/DocBook $@

docproc is the only binary used by Documentation/Docbook, and it is already
placed in scripts_basic.

Trivial - so I will include this in some other kbuild patch
I'm preparing.

> Do any of the scripts actually depend on a configured kernel to build? 
Yes, several of the ninaries do so. Among others empty.o.

> How can I verify that none of them need a configured kernel? Commenting 
> out the dependancy didn't break anything.
Test a bit more, and you will see they are indeed needed.
Note, some archs other than i386 have a bit different requirements
because thay do not use an asm-offsett.h file.

	Sam
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