[OSG]Gui apps crash at startup

On the OSG branch (b5099324), launching any of of the apps that use Qt result directly in a crash. When I build in the main branch, it work. Qt version : 4.8.7

I've joined the log of what appear in the terminal.

(RM-2655 from redmine: created on 2015-06-10 by Félix Duménil, , closed on 2015-06-15 by nobody, relates #2732 (closed), duplicates #2997 (closed), blocks #2665 (closed))