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

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Date:	Wed, 21 Jan 2009 01:08:37 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Jaswinder Singh Rajput <jaswinder@...nel.org>
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'

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.


Takashi
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