From owner-freebsd-amd64@FreeBSD.ORG  Wed Jun  3 05:38:32 2009
Return-Path: <owner-freebsd-amd64@FreeBSD.ORG>
Delivered-To: freebsd-amd64@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 42AC01065672;
	Wed,  3 Jun 2009 05:38:32 +0000 (UTC)
	(envelope-from sgk@troutmask.apl.washington.edu)
Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu
	[128.208.78.105])
	by mx1.freebsd.org (Postfix) with ESMTP id 240E38FC15;
	Wed,  3 Jun 2009 05:38:32 +0000 (UTC)
	(envelope-from sgk@troutmask.apl.washington.edu)
Received: from troutmask.apl.washington.edu (localhost.apl.washington.edu
	[127.0.0.1])
	by troutmask.apl.washington.edu (8.14.3/8.14.3) with ESMTP id
	n535cVds035961; Tue, 2 Jun 2009 22:38:31 -0700 (PDT)
	(envelope-from sgk@troutmask.apl.washington.edu)
Received: (from sgk@localhost)
	by troutmask.apl.washington.edu (8.14.3/8.14.3/Submit) id
	n535cVc1035960; Tue, 2 Jun 2009 22:38:31 -0700 (PDT)
	(envelope-from sgk)
Date: Tue, 2 Jun 2009 22:38:31 -0700
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: David Xu <davidxu@freebsd.org>
Message-ID: <20090603053831.GA35940@troutmask.apl.washington.edu>
References: <4A25F31D.4040201@freebsd.org>
	<20090603044320.GA35526@troutmask.apl.washington.edu>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20090603044320.GA35526@troutmask.apl.washington.edu>
User-Agent: Mutt/1.4.2.3i
Cc: freebsd-amd64@freebsd.org
Subject: Re: gcc -m32 and int64_t
X-BeenThere: freebsd-amd64@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Porting FreeBSD to the AMD64 platform <freebsd-amd64.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-amd64>,
	<mailto:freebsd-amd64-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-amd64>
List-Post: <mailto:freebsd-amd64@freebsd.org>
List-Help: <mailto:freebsd-amd64-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-amd64>,
	<mailto:freebsd-amd64-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 03 Jun 2009 05:38:32 -0000

On Tue, Jun 02, 2009 at 09:43:20PM -0700, Steve Kargl wrote:
> On Wed, Jun 03, 2009 at 11:50:53AM +0800, David Xu wrote:
> > It seems there is a problem in /sys/am64/_types.h when cross-compiling a
> > 32-bit code in amd64 machine, the following code prints 4 instead of 8:
> > 
> > /* int64_size.c */
> > 
> > #include <sys/types.h>
> > #include <stdio.h>
> > 
> > int main()
> > {
> >     printf("%d\n", sizeof(int64_t));
> >     return (0);
> > }
> > 
> > 
> > $cc -m32 -o int64_size -B /usr/lib32/ int64_size.c
> > $./int64_size
> > 4
> > 
> 
> IIRC, the c compiler in the base system isn't setup 
> to be a cross-compiler.  So, there are probably many
> more problems than the one shown above.  Peter Wemm
> has posted about this previously.
> 

For more info, see

http://www.freebsd.org/cgi/query-pr.cgi?pr=gnu/112215

-- 
Steve