[Paraview-developers] Requiring Qt 4.6 for ParaView 3.8

[burlen]

Will this mean that PV won't build with any thing less than Qt 4.6?
I wonder if it would make sense to have a small range of supported 
versions rather than a single one?

It's currently the case that with qt anything less than 4.5 pv fails to 
compile (even if you remove the version test in cmakelists) because pv 
uses some qt classes that were only added to 4.5. In my opinion it would 
be a burden to pv users to get too far ahead of the various KDE 
supported distro's packages. eg. Kubuntu 9.10 reports qt version 4.5.2. 
KUbuntu 8.04.4 LTS reports qt version 4.3.4.

 From the point of view of making it easy to build paraview on various 
contemporary distros would it make any sense at all to perhaps maintain 
backward compatibility for some small window of time? eg: if in early 
2009 qt 4.5 is commonly used by the KDE distro's then for all of 2010 
paraview supports at a minimum qt4.5.

If it were just for developers I'd say no, but since anyone who wants to 
take advantage of parallel pv has to compile. this type of thing has 
potential to affect a bunch of users as well.

Utkarsh Ayachit wrote:
> Folks,
>
> As we are approaching 3.8 branch, what does everyone think of making
> Qt 4.6 the officially supported version? Quite a few of us have been
> using Qt 4.6 for quite some time now and don't think there are any
> issues.
>
> Utkarsh
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