linux-kernel - Re: Problems with Kconfig select across directories

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Date:	Sat, 15 Oct 2011 00:03:07 +0200
From:	Michal Marek <mmarek@...e.cz>
To:	Boaz Harrosh <bharrosh@...asas.com>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	NFS list <linux-nfs@...r.kernel.org>
Subject: Re: Problems with Kconfig select across directories

On 14.10.2011 16:35, Boaz Harrosh wrote:
> I have this weird problem with Kconfig.
> 
> In fs/exofs/Kconfig I have:
> 
> # Library to be selected by users
> config ORE
> 	tristate
> 
> Then
> config EXOFS_FS
> 	tristate "exofs: OSD based file system support"
> 	depends on SCSI_OSD_ULD
> 	select ORE
> 	help ...
> 
> So far so good. Choosing EXOFS_FS in xmenuconfig works fine as expected.
> But now I add another user say: (It's more complicated but even below does
> not work)
> 
> config NFS_FS
> 	tristate "NFS client support"
> 	depends on INET && FILE_LOCKING
> 	select LOCKD
> 	select SUNRPC
> 	select NFS_ACL_SUPPORT if NFS_V3_ACL
> 	select ORE
> 	help ...
> 
> This does not work. The ORE is not compiled and MODPOST complains.
> (Given EXOFS_FS is not selected since then it will work)

fs/Makefile only visits fs/exofs if CONFIG_EXOFS_FS is set.

Michal
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