[PATCH ati] Remove reference to pixmapPrivate.

[Michel Dänzer]

On Sam, 2010-10-02 at 20:53 +0300, Adrian Bunk wrote: 
> On Fri, Oct 01, 2010 at 07:23:05PM +0200, Michel Dänzer wrote:
> > On Fre, 2010-10-01 at 18:57 +0200, Julien Cristau wrote: 
> > > On Fri, Oct  1, 2010 at 18:29:54 +0200, Michel Dänzer wrote:
> > > 
> > > > On Fre, 2010-10-01 at 18:27 +0200, Julien Cristau wrote: 
> > > > > #if ABI_VIDEODRV_VERSION < SET_ABI_VERSION(9, 0)
> > > > > old code
> > > > > #else
> > > > > new code
> > > > > #endif
> > > > 
> > > > That would work perfectly, if the ABI was bumped by every change which
> > > > breaks the ABI...
> 
> So when there are 30 ABI-breaking commits between 1.9 and 1.10,
> it should be required to bump the ABI 30 times?

Yeah, I don't see any problem with that. The ABI major versions are just
numbers.


> > > It'll work for this specific bump.
> > 
> > Not when building against xserver commits between
> > 5c6a2f93ebc16a78093782b442306de23ae94e78 and
> > 1a9022d3289ff74043112808cc8aa315fd9c40e8 . Certainly better than merely
> > checking the server version though.
> >...
> 
> Does it really have to be supported to build against random older 
> snapshots of unstable xserver?

It would help e.g. for bisecting.


But don't worry, I seem to be firmly in the minority camp on this — the
trend has been to stop caring about such mundane things as backwards
compatibility. Apparently it's okay to cause pain for testers for a
little developer convenience.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer