OpenCascade is obligatory third-party product for the GUI module.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 05423e4c9d548a6b16910976c905e28d81cd9538..21e2e9c5fa2fe4d1866cad0974a5b3216ee6faf0 100755 (executable)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -120,17 +120,16 @@ FIND_PACKAGE(SalomeSIP REQUIRED)  # should come after Python and before PyQt4
 # Build with GUI observers feature
 ADD_DEFINITIONS(-DWITH_SALOMEDS_OBSERVER)
 
+#OCCT
+FIND_PACKAGE(SalomeCAS REQUIRED)
+
 # Qt4
 FIND_PACKAGE(SalomeQt4 REQUIRED COMPONENTS QtCore QtGui QtXml QtWebKit QtOpenGL)
 INCLUDE(${QT_USE_FILE})
 
-FIND_PACKAGE(SalomePyQt4 REQUIRED) 
+FIND_PACKAGE(SalomePyQt4 REQUIRED)
 
 # Optional prerequisites for GUI
-IF(SALOME_USE_OCCVIEWER)
-  FIND_PACKAGE(SalomeCAS)
-  SALOME_LOG_OPTIONAL_PACKAGE(CAS SALOME_USE_OCCVIEWER)
-ENDIF()
 IF(SALOME_USE_GLVIEWER)
   FIND_PACKAGE(SalomeOpenGL)
   SALOME_LOG_OPTIONAL_PACKAGE(OpenGL SALOME_USE_GLVIEWER)