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List:       kde-release-team
Subject:    Re: Requested Moratorium on hard to build dependency bumps for KDE 5
From:       Ben Cooksley <bcooksley () kde ! org>
Date:       2011-06-07 5:51:32
Message-ID: BANLkTinXF=RNq4x4z7fFc509TjDmvO9Txw () mail ! gmail ! com
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On Tue, Jun 7, 2011 at 5:12 PM, Martin Gräßlin <mgraesslin@kde.org> wrote:
> 
> ----- Ursprüngliche Mitteilung -----
> > On 6/6/11, Thomas Lübking <thomas.luebking@gmail.com> wrote:
> > > Am Mon, 6 Jun 2011 17:08:24 -0400
> > > schrieb Maksim Orlovich <mo85@cornell.edu>:
> > > 
> > > > Why would wayland support have any effect on runtime dependency on
> > > > X11?
> > > 
> > > http://groups.google.com/group/wayland-display-server/web/building-and-running-wayland
> > >  Building mesa
> > > 
> > > Wayland uses the mesa EGL stack, and all extensions required to run EGL
> > > on KMS are......
> > 
> > Sorry, my wording was poor: OK, wayland needs recent Mesa at runtime,
> > but I am not running Wayland; so why would I need to upgrade my mesa?
> It's not different to the current situation (and that's what I wanted to point \
> out): With 4.7 there is a runtime requirement to Mesa 7.10 if you want to use the \
> *optional* feauture of OpenGL compositing. 
> With 4.8 there will be a runtime requirement to Mesa 7.11 if you want to use the \
> *optional* feature of KWin being a Wayland server.

I gather from this that X11 will be completely unaffected? Wanting to
depend on unreleased software is unprecedented for a component of
kde-workspace providing a commonly expected feature - and is something
I find objectionable. Especially if the dependency offers no benefits
to those of us whom recieve no benefit from the increase in
dependencies.

> 
> It should not affect the runtime requirements for X11, but if Mesa 7.11 gets \
> released before our 4.8 dependency freeze, we have to depend on it.

Can you please clarify what you mean by we *have* to depend on it?
Does this mean which of the following:
* CMake level check making KWin completely unavailable to people
without Mesa 7.11
* Runtime level check making all compositing unavailable to people
without Mesa 7.11 - regardless of whether it is X or Wayland
* Runtime level check only concerning Wayland

Either of options 1 and 2 are completely unacceptable under any
circumstances - considering that people who will be developing for 4.8
will be doing so under distributions which ship 4.7 - which will
probably only have Mesa 7.10.

Compositing alters the way the window system operates and can expose
bugs - and by imposing these dependencies you are inhibiting the
ability of other developers to triage and fix bugs or other defects.

> 
> Cheers
> Martin
> 

Regards,
Ben
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