Message-ID: <45D3B08D.6040602@oracle.com>
Date: Wed, 14 Feb 2007 16:59:57 -0800
From: Chuck Lever <chuck.lever@oracle.com>
Reply-To: chuck.lever@oracle.com
Organization: Oracle Corporation
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To: David Miller <davem@davemloft.net>
CC: clem@clem.clem-digital.net, linux-kernel@vger.kernel.org, neilb@suse.de
Subject: Re: 2.6.20-git8 fails compile -- net/built-in.o __ipv6_addr_type
References: <200702130110.l1D1ADai012897@clem.clem-digital.net> <20070212.202054.104031463.davem@davemloft.net>
In-Reply-To: <20070212.202054.104031463.davem@davemloft.net>
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David Miller wrote:
> From: Pete Clements <clem@clem.clem-digital.net>
> Date: Mon, 12 Feb 2007 20:10:13 -0500 (EST)
> 
>> 2.6.20-git8 fails compile:
>>
>>   CHK     include/linux/compile.h
>>   UPD     include/linux/compile.h
>>   CC      init/version.o
>>   LD      init/built-in.o
>>   LD      .tmp_vmlinux1
>> net/built-in.o: In function `svc_udp_recvfrom':
>> svcsock.c:(.text+0x61be4): undefined reference to `__ipv6_addr_type'
>> make: *** [.tmp_vmlinux1] Error 1
> 
> Chuck, you will need to somehow make CONFIG_SUNRPC "depend" upon IPV6
> so that if IPV6 is modular SUNRPC can only be built modular.
> 
> Otherwise the symbols won't resolve correctly.
> 
> Everybody hits this problem when they add ipv6 support to
> something. :-)
> 

Interestingly, doing a build with ALLYESCONFIG, ALLMODCONFIG, and 
ALLNOCONFIG doesn't catch this type of error.

I just did a copy+paste and that brought in ipv6_addr_type.  So I'm not 
convinced it's really needed here.  David, can you take a look at the 
code in svcsock.c right around the ipv6_addr_type() call and let me know 
if we can avoid that call outright?

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