+
+# - OCC viewer: no prereqs
+IF(NOT SALOME_USE_OCCVIEWER)
+ ADD_DEFINITIONS("-DDISABLE_OCCVIEWER")
+ENDIF()
+
+# - PV viewer: ParaView
+IF (SALOME_USE_PVVIEWER)
+ FIND_PACKAGE(SalomeParaView)
+ SALOME_LOG_OPTIONAL_PACKAGE(ParaView SALOME_USE_PVVIEWER)
+ELSE()
+ ADD_DEFINITIONS("-DDISABLE_PVVIEWER")
+ENDIF()
+
+# - VTK viewer: VTK