Hi Rebecca, I have installed Qt 5 (5.02) from the Kubuntu 13.10 repositories. I tested OSG svn/trunk and everything compiled cleanly but on running osgviewerQt I get an error "Cannot make QOpenGLContext current in a different thread". Adding XInitThreads() didn't resolve this. Running 'osgviewerQt --SingleThreaded' does work but it's very slow do swap buffers occurring it separate frames.
Reverting to Qt 4 via: ./configure -DDESIRED_QT_VERSION=4 make Resolves this problem and osgviewerQt runs correctly. Robert.
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