linux-kernel - Re: [build bug] ./net/rxrpc/ar-key.c fails to build

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Date:	Thu, 22 Nov 2007 19:01:05 +0000
From:	David Howells <dhowells@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	dhowells@...hat.com, linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [build bug] ./net/rxrpc/ar-key.c fails to build

Ingo Molnar <mingo@...e.hu> wrote:

> on the latest kernel (2.6.24-rc3-git1) the attached config triggers the 
> following build error:
> 
> net/built-in.o: In function `rxrpc_destroy_s':
> ar-key.c:(.text+0x9c50d): undefined reference to `crypto_free_tfm'
> net/built-in.o: In function `rxrpc_instantiate_s':
> ar-key.c:(.text+0x9c613): undefined reference to `crypto_alloc_base'

I see it.  The simplest answer is just to make AF_RXRPC select CRYPTO.
However, that's probably not the right solution in the long run (the common
secret key management code assumes stuff about the key payload and the crypto
algorithms used that it shouldn't).

David
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