linux-kernel - Re: [build bug] nf_nat_proto_sctp.c:(.text+0x6d173): undefined reference to `crc32c

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Message-Id: <20080421.015906.239470094.davem@davemloft.net>
Date:	Mon, 21 Apr 2008 01:59:06 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bunk@...nel.org
Cc:	mingo@...e.hu, linville@...driver.com, tomas.winkler@...el.com,
	linux-kernel@...r.kernel.org, kaber@...sh.net,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	mabbas@...ux.intel.com, ischram@...enet.be, rjw@...k.pl
Subject: Re: [build bug] nf_nat_proto_sctp.c:(.text+0x6d173): undefined
 reference to `crc32c_le'

From: Adrian Bunk <bunk@...nel.org>
Date: Mon, 21 Apr 2008 11:44:02 +0300

> On Sun, Apr 20, 2008 at 11:53:54PM -0700, David Miller wrote:
> > From: Ingo Molnar <mingo@...e.hu>
> > Date: Mon, 21 Apr 2008 08:22:44 +0200
> > 
> > >   net/built-in.o: In function `sctp_manip_pkt':
> > >   nf_nat_proto_sctp.c:(.text+0x6d173): undefined reference to `crc32c_le'
> > >   nf_nat_proto_sctp.c:(.text+0x6d180): undefined reference to `crc32c_le'
> > >   nf_nat_proto_sctp.c:(.text+0x6d196): undefined reference to `crc32c_le'
> > >   nf_nat_proto_sctp.c:(.text+0x6d1c6): undefined reference to `crc32c_le'
> > > 
> > >   http://redhat.com/~mingo/misc/config-Mon_Apr_21_01_52_14_CEST_2008.bad
> > 
> > Thanks for your report Ingo.
> > 
> > Patrick, I'm not so sure how to fix this, or even what's wrong.
> > 
> > NF_NAT_PROTO_SCTP does a proper select on LIBCRC32C, but somehow
> > NF_NAT_PROTO_SCTP=y and LIBCRC32C=m.
> >...
> 
> You added the select on Saturday after Pete Clements reported the same 
> issue.
> 
> The select is not yet in Linus' tree.

Thanks for catching that Adrian.
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