+SET(USE_BOOST ON)
+
+OPTION(CREA_BUILD_VTK "Build crea with vtk ?" OFF)
+IF(CREA_BUILD_VTK)
+ SET(USE_VTK ON)
+ SET(CREA_BUILT_WITH_VTK ON)
+ENDIF(CREA_BUILD_VTK)
+
+OPTION(CREA_BUILD_WX "Build crea with wxWidgets ?" OFF)
+IF(CREA_BUILD_WX)
+ SET(USE_WXWIDGETS ON)
+ SET(CREA_BUILT_WITH_WX ON)
+ENDIF(CREA_BUILD_WX)