linux-kernel - Re: [RFC/RFT] kbuild: save ARCH & CROSS

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Date:	Tue, 9 Oct 2007 12:00:30 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	kbuild devel <kbuild-devel@...ts.sourceforge.net>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC/RFT] kbuild: save ARCH & CROSS_COMPILE

On Tue, Oct 09, 2007 at 11:39:21AM +0200, Andi Kleen wrote:
> Sam Ravnborg <sam@...nborg.org> writes:
> >  
> > -ARCH		?= $(SUBARCH)
> > -CROSS_COMPILE	?=
> 
> Can you do this in a way that there are still these ARCH/CROSS_COMPILE
> lines that are just overriden when empty or have their default value? 
> 
> This way defaults could be still patched in for special cases.

If it is OK to drop the $(SUBARCH) assingment like this then yes.
ARCH		?=
CROSS_COMPILE	?=

I was wondering why we had the empty CROSS_COMPILE assigment and this
explains why.
But why patch something in here in the fisrt place?
It seems to be a workaround for the actual issue this patch addresses - no?

	Sam
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