IF(QT4_FOUND)
  ADD_SUBDIRECTORY(depth-camera-simulator)
  ADD_SUBDIRECTORY(kinect-recorder)
  ADD_SUBDIRECTORY(rotate-image-3D)
  ADD_SUBDIRECTORY(show-extrinsic-calibration-grid)
  ADD_SUBDIRECTORY(show-scene)
  ADD_SUBDIRECTORY(surf-based-object-tracking)
  ADD_SUBDIRECTORY(point-cloud-viewer)
  ADD_SUBDIRECTORY(point-cloud-pipe)
ENDIF()

IF(QT4_FOUND AND OpenCV_FOUND)
  ADD_SUBDIRECTORY(opencv-calib)
ENDIF()

IF(QT4_FOUND AND PCL_FOUND)
  ADD_SUBDIRECTORY(point-cloud-tests)
ENDIF()