linux-kernel - Re: Updating include/asm symlink when $ARCH changes

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Message-ID: <20070927113019.GA30567@uranus.ravnborg.org>
Date:	Thu, 27 Sep 2007 13:30:19 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Martin Michlmayr <tbm@...ius.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Updating include/asm symlink when $ARCH changes

On Thu, Sep 27, 2007 at 11:25:21AM +0200, Martin Michlmayr wrote:
> I cross compile arm and mips kernels from the same kernel tree.  When
> I build a kernel the first time with a fresh kernel tree, the
> include/asm symlink is set properly.  However, when I compile for a
> different $ARCH, the include/asm is not changed and the build fails.
> 
> Would it be possible for the build system to update the include/asm
> symlink when it doesn't correspond to the architecture you're
> currently trying to build for?

You are not the first to ask for this - suprise.
Alexey point out a good solution but I have added to my tod list
to do something a bit more intelligent when ARCH changes.

The patches I have seen so far has been lacking fundamental functionality
and on top of this I hope to find a nice way to preserve CROSSCOMPILE
since that often change too.

	Sam
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