[arch-dev-public] Qt 4.5 and its problems

Eduardo Romero k3nsai at gmail.com
Wed Mar 4 20:21:27 EST 2009

On Wednesday 04 March 2009 07:36:45 pm Pierre Schmitz wrote:
> Hi all,
> I just have put Qt 4.5 into testing. It should be compatible to 4.4 in most
> aspects. But we should have a look at the qt apps and see if anything
> broke.
> For example Psi crashes on typing a message when spell cheking was 
> This could be easily fixed by recompiling it.
> QtCurve has some problems with the rendering of tabs. But I expect an
> updated version soon.
> KDE itself seems to work fine. But there might be some rendering 
> especially with plasma.
> The main problem was phonon:
> * Qt has its own version of phonon included
> ** it is slightly different to the one provided by KDE
> ** KDE cannot compiled against this version (can be fixed by a symlink to
> the right include dir)
> * The Qt version only supports the gstreamer backend
> ** gstreamer seems borken. It is able to play ogg etc. but fails on
> mpeg/mp3 (I have every plugin installed)

There is something wrong with your system then, I just pacman -S 
gstremer0.10-plugins and I have support for mpeg/mp3. So this is weird to 

> * one could enable phonon in qt but remove the relevant files after
> install. With some symlinking magic and moving files arround this might
> even work. ** But this would introduce a circual dependency; phonon and 
> depend on each other
> * So, for now phonon is disabled within Qt. The downside is that video
> support in webkit is disabled, too. But webkit seems to only work with
> gstreamer anyway.
> Well, that's the current status. If anyone has a good idea about this let
> me know.

More information about the arch-dev-public mailing list