hard-dep for Qt 4.8

[Martin Gräßlin]

On Wednesday 18 January 2012 10:26:13 Thomas Zander wrote:
> On Wednesday 18 January 2012 10.11.58 todd rme wrote:
> > But according to Martin, this isn't just about API changes, it is also
> > about behavior changes.  How do you expect people to know if they are
> > relying on a Qt 4.8-specific behavior?
> 
> As far as I know there are no forward incompatible behavior changes between
> Qt4.7 and Qt 4.8
> I.e. AFAIK programming for 4.8 using 4.7 APIs but 4.8 behavior will give the
> same behavior on 4.7.
What comes to my mind is multi thread support for QtOpenGL [1]. That is using 
threaded OpenGL with Qt 4.8 will work, while it fails with 4.7 without 
rendering a compile error.

Cheers
Martin

[1] http://labs.qt.nokia.com/2011/06/03/threaded-opengl-in-4-8/
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