-FIND_PACKAGE(SalomeSIP REQUIRED) # should come after Python and before PyQt4
-FIND_PACKAGE(SalomePyQt4 REQUIRED)
-FIND_PACKAGE(SalomeQt4 REQUIRED COMPONENTS QtCore QtGui)
-INCLUDE(${QT_USE_FILE})
+FIND_PACKAGE(SalomeSIP REQUIRED) # should come after Python and before PyQt
+IF(NOT SALOME_GUI_BUILD_WITH_QT5)
+ FIND_PACKAGE(SalomeQt4 REQUIRED COMPONENTS QtCore QtGui)
+ FIND_PACKAGE(SalomePyQt4 REQUIRED)
+ELSE()
+ FIND_PACKAGE(SalomeQt5 REQUIRED)
+ FIND_PACKAGE(SalomePyQt5 REQUIRED)
+ENDIF()