OPTION(USE_QT4 "Build Qt4-based code" ON)

SET(QT4_FOUND "0")
IF(USE_QT4)
  FIND_PACKAGE(Qt4 REQUIRED)
  INCLUDE(${QT_USE_FILE})
  SET(
    vtk_required_modules
    vtkGUISupportQt
    vtkGUISupportQtOpenGL
    )
  FOREACH(vtk_module ${vtk_required_modules})
    IF(NOT ${vtk_module}_LOADED)
      MESSAGE(
        FATAL_ERROR
        "${vtk_module} module is required but not available."
        )
      SET(QT4_FOUND "0")
    ENDIF(NOT ${vtk_module}_LOADED)
  ENDFOREACH(vtk_module)
  SET(QT4_FOUND "1")
ENDIF(USE_QT4)

## eof - $RCSfile$