Adding Ralf in CC, since he is experiencing the same issues.
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This starts to get off-topic, but I see the same with zsh, as in I started zsh from bash and run the above tests, with : ending it works, without it doesn't.
There's either some weird statement in your local or global shell profile or Qt (4.8/git, vanilla/distro?) is broken on interpreting that env. print_env.sh ------------------ #!/bin/sh env ------------------ chmod +x print_env.sh QT_PLUGIN_PATH=/opt/kde4/lib64/kde4/plugins ./print_env | grep QT_PLUGIN_PATH QT_PLUGIN_PATH=/opt/kde4/lib64/kde4/plugins: ./print_env | grep QT_PLUGIN_PATH If the correct value ends up there, i'd bet for a Qt bug (the other dir could be just a failsafe thing, ie if the configured plugin dir doesn't exist, Qt might lookup likely places in it's own path. Good news is that you can continue using bash - iff you still want to, that is ;-) Cheers, Thomas
