linux-kernel - Re: undefined reference to `sparse_keymap

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Message-ID: <20110412055851.GA1854@core.coreip.homeip.net>
Date:	Mon, 11 Apr 2011 22:58:51 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Steve French <smfrench@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Matthew Garrett <mjg@...hat.com>,
	"Lee, Chun-Yi" <joeyli.kernel@...il.com>
Subject: Re: undefined reference to `sparse_keymap_free'

On Mon, Apr 11, 2011 at 10:48:19PM -0700, Andrew Morton wrote:
> (cc's added)
> 
> On Mon, 11 Apr 2011 23:18:04 -0500 Steve French <smfrench@...il.com> wrote:
> 
> > 2.6.38-rc3 build error:
> > 
> > drivers/built-in.o: In function `msi_laptop_input_destroy':
> > msi-laptop.c:(.text+0x1a3be1): undefined reference to `sparse_keymap_free'
> > drivers/built-in.o: In function `msi_send_touchpad_key':
> > msi-laptop.c:(.text+0x1a3c45): undefined reference to
> > `sparse_keymap_report_event'
> > drivers/built-in.o: In function `msi_init':
> > msi-laptop.c:(.init.text+0xe055): undefined reference to `sparse_keymap_setup'
> > msi-laptop.c:(.init.text+0xe07d): undefined reference to `sparse_keymap_free'
> > 
> 
> Either a missing CONFIG_INPUT_SPARSEKMAP dependency, or missing stubs in
> include/linux/input/sparse-keymap.h?
> 

No, stubs for sparse keymap do not make sense (either one wants to use
this library-like module or she does not), so it must be the missing
"select" (sparse keymap should be selectable as long as selecting module
depends on CONFIG_INPUT).

Thanks.

-- 
Dmitry
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