linux-kernel - Re: BUG: via_drmclient.h is referenced but does not exist

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Date:	Sun, 14 Dec 2008 16:57:34 +0100
From:	Thomas Hellström <thomas@...pmail.org>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	David Airlie <airlied@...ux.ie>,
	dri-devel <dri-devel@...ts.sourceforge.net>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>
Subject: Re: BUG: via_drmclient.h is referenced but does not exist

Hi!

The intention is for via_drm.h to be self-containing when included both 
for a kernel build and for a user-space build. In this particular case, 
via_drmclient.h lives in the user-space clients and includes stdint.h to 
get access to uint32_t and friends.

Of course, the user-space clients could
#include "uint32.h"
#include "via_drm.h"

but shouldn't really the tools be mimicing what the compiler does in 
this case?

/Thomas


Sam Ravnborg wrote:
> Hi David et al.
>
> After improving the headers_check.pl script to do a
> check for files included with:
>
> 	#include "foo.h"
>
> it reported the following error:
>
> /home/sam/kernel/knext.git/usr/include/drm/via_drm.h:34: included file '/home/sam/kernel/knext.git/usr/include/drm/via_drmclient.h' is not exported
>
> And indeed the file via_drmclient.h does not exist in the kernel source.
> We do not see any issue in the kernel as the include is guarded by:
>
> #ifndef __KERNEL__
> #include "via_drmclient.h"
> #endif
>
> But referring to a non-existing file is not the right thing to to.
>
> We need this check as we have several places where we do:
>
> 	#include "foo.h"
>
> in our exported headers.
>
> So we need to fix drm somehow.
>
> The headers_check.pl patch is included for reference.
>
>   



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