+ if(VTK_VERSION VERSION_LESS 6.0.0)
+ set(vv_QT_VERSION "4" CACHE INTERNAL "Expected Qt version")
+ else()
+ if(VTK_QT_VERSION VERSION_LESS 5)
+ set(vv_QT_VERSION "4" CACHE INTERNAL "Expected Qt version")
+ else()
+ set(vv_QT_VERSION "5" CACHE INTERNAL "Expected Qt version")
+ endif()
+ endif()
+