Re: 32-rc1: "CROSS_COMPILE changed" message breaks compilation

[Pavel Machek <pavel@ucw.cz>]

On Mon 2009-09-28 21:08:41, Sam Ravnborg wrote:
> On Mon, Sep 28, 2009 at 07:56:05PM +0200, Pavel Machek wrote:
> > Hi!
> > 
> > After update to 2.6.32-rc1, I'm getting
> > 
> > "Makefile:197: *** CROSS_COMPILE changed from "ccache" to to "ccache ". Use "make mrproper" to fix it up. Stop.
> > 
> > Note that the message has typo in it ("to to")... What is worse, the
> > message triggers even when I try to run make mrproper. Ouch.
> 
> The massage is changed in kbuild-fixes.git - but it addresses only ARCH=
> 
> As a followup to your other mails:
> The reason to use "make mrproper" is that when ARCH or CROSS_COMPILE changes
> you have generally either decided to build for a new architecture or
> you have changed the way you build the kernel (new toolchain or whatever).
> So to clean up using "make mrproper" is perfectly justified.

Well, if I changed $CROSS_COMPILE, but not $ARCH, I probably do not
want my .config wiped, right? Maybe I'm updating to another toolchain
or something.

> I will look into improving the message when CROSS_COMPILE changes.

Thanks.
									Pavel
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