On Wed, Mar 30, 2016 at 04:05:20PM +0100, Emil Velikov wrote:
> On 30 March 2016 at 15:19, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote:
> > We can't use <drm/*.h> because that upsets the serach paths in libdrm.
> > Also, drop the circular inclusion in drm_mode.h.
> >
> > v2: Actually change the right headers.
> >
> > Cc: Emil Velikov <emil.l.velikov@xxxxxxxxx>
> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > ---
> > include/uapi/drm/drm.h | 2 +-
> > include/uapi/drm/drm_mode.h | 2 --
> > 2 files changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
> > index d299c7749091..c7ecc3abff03 100644
> > --- a/include/uapi/drm/drm.h
> > +++ b/include/uapi/drm/drm.h
> > @@ -685,7 +685,7 @@ struct drm_prime_handle {
> > __s32 fd;
> > };
> >
> > -#include <drm/drm_mode.h>
> > +#include "drm_mode.h"
> >
> > #define DRM_IOCTL_BASE 'd'
> > #define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
> > diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> > index c0217434d28d..db106ab01039 100644
> > --- a/include/uapi/drm/drm_mode.h
> > +++ b/include/uapi/drm/drm_mode.h
> > @@ -27,8 +27,6 @@
> > #ifndef _DRM_MODE_H
> > #define _DRM_MODE_H
> >
> > -#include "drm.h"
> > -
> I'm thinking about the complete inverse actually.
>
> Any program that depends on drm_mode.h but does not include it
> explicitly is severely broken. On the other hand, we rely on the drm.h
> to resolve the linux specific types (for non-linux platforms).
>
> Unfortunately I've not looked how much busted userspace there is in
> either case (this patch vs my suggestion).
Well I was just blindly aligning the #includes to match what we have right
now in libdrm. That's the safest option really. It would be nice to
untangle this, but I think it's too late for that now :(
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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