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

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Message-ID: <AANLkTil180tPW4KoOaUBgXIm1Lf6O45_GKKlLx3CDcVh@mail.gmail.com>
Date:	Thu, 27 May 2010 09:39:51 +0530
From:	Jaswinder Singh Rajput <jaswinderlinux@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	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

Hello Rafael,

On Thu, May 27, 2010 at 5:43 AM, Rafael J. Wysocki <rjw@...k.pl> 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'.
>

Yes, this works :-)

But I wonder then what is the point/use of CONFIG_X86_32 if compiler
is not listening to it.

Logically compiler should set appropriate flags based on .config settings.

Thanks,
--
Jaswinder Singh.
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