gcompris-qt dependency to qml-box2d

[Bruno Friedmann]

Hello the team,

I wonder if we still have a strong dependency to qml-box2d. I'm asking that 
cause since box2d new version qml-box2d doesn't build anymore (yeap rolling 
release like openSUSE Tumbleweed have no mercy on dead projects.

I'm seeing no more activities around qml-box2d since 2018, issues increasing
and unfortunately no more contributions on it.

So the situations is the following: box2d got updated to 2.4.1, qml-box2d head 
doesn't build with it. But also with it's own embedded Box2D
Gcompris-qt depending on qml-box2d thus doesn't build anymore, I've a few 
weeks to fix that before being kicked of Tumbleweed :-(

So my question is there a way to get right of it ?

-- 

Bruno Friedmann 
 
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