netdev - Re: [2.6 patch] NF_CONNTRACK_H323 must depend on (IPV6 || IPV6=n)

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Message-Id: <20070128.155348.39160134.davem@davemloft.net>
Date:	Sun, 28 Jan 2007 15:53:48 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	bunk@...sta.de
Cc:	randy.dunlap@...cle.com, akpm@...l.org,
	linux-kernel@...r.kernel.org, netfilter@...ts.netfilter.org,
	netdev@...r.kernel.org
Subject: Re: [2.6 patch] NF_CONNTRACK_H323 must depend on (IPV6 || IPV6=n)

From: Adrian Bunk <bunk@...sta.de>
Date: Sun, 28 Jan 2007 23:21:37 +0100

> On Sun, Jan 28, 2007 at 11:41:48AM -0800, Randy Dunlap wrote:
> >...
> > net/built-in.o: In function `q931_help':
> > nf_conntrack_h323_main.c:(.text.q931_help+0x6ad): undefined reference to `ip6_route_output'
> > nf_conntrack_h323_main.c:(.text.q931_help+0x6c3): undefined reference to `ip6_route_output'
> >...
> 
> You didn't send your .config, but it seems you had CONFIG_IPV6=m and
> CONFIG_NF_CONNTRACK_H323=y.
> 
> In this case, the untested patch below should fix it.
> 
> > ~Randy
> 
> cu
> Adrian
> 
> 
> <--  snip  -->
> 
> 
> CONFIG_IPV6=m, CONFIG_NF_CONNTRACK_H323=y results in a compile error.
> 
> Fix this by letting NF_CONNTRACK_H323 depend on (IPV6 || IPV6=n).
> 
> Signed-off-by: Adrian Bunk <bunk@...sta.de>

Adrian is this the correct way to constrain the selection between
"n" and "m" in this kind of situation?  I thought doing something
like "depends on IPV6" is sufficient to achieve that?
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