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Subject: Re: Replacement for "make SUBDIRS=...." in 2.5.63?
From: David Woodhouse <dwmw2@infradead.org>
To: Kai Germaschewski <kai@tp1.ruhr-uni-bochum.de>
Cc: "Adam J. Richter" <adam@yggdrasil.com>, linux-kernel@vger.kernel.org
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On Tue, 2003-02-25 at 17:04, Kai Germaschewski wrote:

> > 	What is the proper way to rebuild just one subdirectory?  How
> > about for building externally provided modules? 
> 
> The proper way is "make vmlinux/modules". If you are sure that nothing 
> changed outside of that directory, make SUBDIRS=... is fine, but since 
> kbuild cannot know that nothing else changed (you just prohibited checking 
> the other dirs), it'll give the warning.

In the case where you're building external modules, this is just fine --
generally you're doing this on purpose. How about disabling the warning
if every element of $(SUBDIRS) starts with a '/'?

> I hope that clarifies things a bit. As I wrote earlier, I'll come up with 
> a proper and simple way to build external modules once I find the time.

If you deprecate 'make SUBDIRS=/my/module/source modules' then please
make sure whatever replacement you come up with also works with 2.0, 2.2
and 2.4 kernels, to avoid gratuitous pain for driver maintainers. :)

-- 
dwmw2

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