linux-kernel - Re: usr/include/linux/soundcard.h warnings for 'make headers

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Message-Id: <1232497528.3123.32.camel@localhost.localdomain>
Date:	Wed, 21 Jan 2009 05:55:28 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	alsa-devel@...a-project.org, Sam Ravnborg <sam@...nborg.org>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: usr/include/linux/soundcard.h warnings for 'make headers_check'

Hello Sam,

On Wed, 2009-01-21 at 01:08 +0100, Takashi Iwai wrote:
> At Tue, 20 Jan 2009 21:08:22 +0530,
> Jaswinder Singh Rajput wrote:
> > 
> > usr/include/linux/soundcard.h is giving following warnings for 'make headers_check':
> >  usr/include/linux/soundcard.h:1047: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1048: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1049: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1050: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1051: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1053: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1055: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1056: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1061: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1062: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1078: extern's make no sense in userspace
> >  usr/include/linux/soundcard.h:1079: extern's make no sense in userspace
> > 
> > Do we need to fix these warnings.
> 
> No, these are declarations for OSS-lib.
> It doesn't belong to kernel, but it's better to keep it for
> compatibility in some way.
> 

Do you have some plan where extern is required like in this case.

--
JSR


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