From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753361AbaAQSuM (ORCPT <rfc822;w@1wt.eu>);
	Fri, 17 Jan 2014 13:50:12 -0500
Received: from merlin.infradead.org ([205.233.59.134]:43253 "EHLO
	merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1752819AbaAQSuJ (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Fri, 17 Jan 2014 13:50:09 -0500
Message-ID: <52D97B57.9000000@infradead.org>
Date: Fri, 17 Jan 2014 10:49:59 -0800
From: Randy Dunlap <rdunlap@infradead.org>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0
MIME-Version: 1.0
To: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Marcel Holtmann <marcel@holtmann.org>
CC: Stephen Rothwell <sfr@canb.auug.org.au>, linux-next@vger.kernel.org,
        kernel list <linux-kernel@vger.kernel.org>,
        linux-zigbee-devel <linux-zigbee-devel@lists.sourceforge.net>,
        Alexander Smirnov <alex.bluesman.smirnov@gmail.com>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        Jukka Rissanen <jukka.rissanen@linux.intel.com>
Subject: Re: linux-next: Tree for Jan 14 (lowpan, 802.15.4)
References: <20140114165128.0dd51f362e0f34a2ef4dc92f@canb.auug.org.au>	<52D578A7.8020000@infradead.org> <CALT56yPzfkz7=WdT0p6EYXdsQJUT+Ld9gdd72z6_czn0YaKUWA@mail.gmail.com>
In-Reply-To: <CALT56yPzfkz7=WdT0p6EYXdsQJUT+Ld9gdd72z6_czn0YaKUWA@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 01/14/2014 02:54 PM, Dmitry Eremin-Solenikov wrote:
> Hello,
> 
> 
> On Tue, Jan 14, 2014 at 9:49 PM, Randy Dunlap <rdunlap@infradead.org> wrote:
>>
>> On 01/13/2014 09:51 PM, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> This tree fails (more than usual) the powerpc allyesconfig build.
>>>
>>> Changes since 20140113:
>>>
>>
>>
>> on i386:
>>
>> net/built-in.o: In function `header_create':
>> 6lowpan.c:(.text+0x166149): undefined reference to `lowpan_header_compress'
>> net/built-in.o: In function `bt_6lowpan_recv':
>> (.text+0x166b3c): undefined reference to `lowpan_process_data'
> 
> Ah, nice Makefile hack there.
> David, Marcel, could you please consider the attached patch.
> 
> 

Hi,
I guess that the Makefile hack is still causing problems.
With today's linux-next (20140117), I see these build errors (or warnings
in the case of loadable modules):


when 802.15.4 and Bluetooth are built as loadable modules:

WARNING: net/ieee802154/6lowpan_iphc: 'lowpan_header_compress' exported twice. Previous export was in net/bluetooth/bluetooth.ko
WARNING: net/ieee802154/6lowpan_iphc: 'lowpan_process_data' exported twice. Previous export was in net/bluetooth/bluetooth.ko

when they are builtin to the kernel image:

net/ieee802154/built-in.o: In function `lowpan_header_compress':
(.text+0x3d00): multiple definition of `lowpan_header_compress'
net/bluetooth/built-in.o:(.text+0x2e8f0): first defined here
net/ieee802154/built-in.o: In function `lowpan_process_data':
(.text+0x3230): multiple definition of `lowpan_process_data'
net/bluetooth/built-in.o:(.text+0x2de20): first defined here


-- 
~Randy