1. compile from trunk use configuration:
cmake -DCMAKE_BUILD_TYPE=Release -DQTONLY=TRUE -DQT5BUILD=TRUE -DBUILD_MARBLE_TESTS=NO -DCMAKE_INSTALL_PREFIX=~/Work/marble/export ~/Work/marble/sources:

2. launch simple quick 2.0 app:
import QtQuick 2.0
import org.kde.edu.marble 0.11

MarbleWidget {
  projection: "Mercator"
  mapThemeId: "earth/openstreetmap/openstreetmap.dgml"
}

qmlscene -I /home/vasily/Work/marble/export/lib/marble/plugins/ /home/vasily/Work/marble/sources1/examples/qml/test.qml
and got error:

vasily@vasily-pc:~/Work/marble/build$ qmlscene -I /home/vasily/Work/marble/export/lib/marble/plugins/ /home/vasily/Work/marble/sources1/examples/qml/test.qml 
QObject: Cannot create children for a parent that is in a different thread.
(Parent is MarbleDeclarativePlugin(0x7fae4406fc00), parent's thread is QThread(0x1f65910), current thread is QThread(0x1bd58e0)
QIODevice::write: device not open
QIODevice::write: device not open
QIODevice::write: device not open
QIODevice::write: device not open
QIODevice::write: device not open
QIODevice::write: device not open

3. try to launch as Quich 1.0 app:

import QtQuick 1.0
import org.kde.edu.marble 0.11

MarbleWidget {
  projection: "Mercator"
  mapThemeId: "earth/openstreetmap/openstreetmap.dgml"
}



vasily@vasily-pc:~/Work/marble/build$ qmlviewer -I /home/vasily/Work/marble/export/lib/marble/plugins/ /home/vasily/Work/marble/sources1/examples/qml/test.qml 
Qml debugging is enabled. Only use this in a safe environment!
file:///home/vasily/Work/marble/sources1/examples/qml/test.qml:2:1: plugin cannot be loaded for module "org.kde.edu.marble": Unknown error 
     import org.kde.edu.marble 0.11 
     ^





Reproducible: Always

Steps to Reproduce:
1. compile
2. launch
3. ???
4. no profit



workstation:
Ubuntu 12.04 64 bit
Qt 5.3 downloaded from Qt-project site