linux-kernel - Re: config automatically switches from 32-bit to 64-bit for x86

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Message-ID: <20100527163512.GA3980@citd.de>
Date:	Thu, 27 May 2010 18:35:12 +0200
From:	Matthias Schniedermeyer <ms@...d.de>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Jaswinder Singh Rajput <jaswinderlinux@...il.com>,
	Sam Ravnborg <sam@...nborg.org>, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: config automatically switches from 32-bit to 64-bit for x86

On 27.05.2010 12:13, Christoph Hellwig wrote:
> On Thu, May 27, 2010 at 06:11:34PM +0200, Matthias Schniedermeyer wrote:
> > Just use ARCH=x86. That ARCH respects CONFIG_64BIT from .config and 
> > "CONFIG_64BIT" is a config-option (the very first in menuconfig)
> 
> Which is an obsolute pain to type, even worse than doing a linux32 call
> first.  Really, a simple
> 
> 	make
> 
> should default to do the right thing.

In my case it's wonderful, i compile several kernels with different 
bitnesses for differnt machines and with ARCH=x86 i don't have to 
differentiate between an i386 or x86_64 target.

for dat in a b c d; do make ARCH=x86 O=../$dat ; done





Bis denn

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