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

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Date:	Thu, 27 May 2010 17:19:24 +0200
From:	Matthias Schniedermeyer <ms@...d.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
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 02:13, Rafael J. Wysocki wrote:
> On Thursday 27 May 2010, Jaswinder Singh Rajput wrote:
> > Hello,
> > 
> > I am trying to build 32 bit kernel image on 64-bit machine but after
> > 'make menuconfig' it automatically switches 32-bit to 64-bit.
> 
> Try 'linux32 make menuconfig' and 'linux32 make'.

I personally use the third ARCH (i386 and x86_64 beeing the first two):
make ARCH=x86
that way the bitness isn't implied but an actual configuration-point.
CONFIG_64BIT (The very first menu-point with menuconfig)

And i'm still wondering what the hell the problem is with ARCH=x86 that 
prevents it from beeing the default.



Bis denn

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