diff --git a/CMakeLists.txt b/CMakeLists.txt
index 083efdcec..9287dd86d 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -191,7 +191,7 @@ ENDIF(EXISTS ${GEOM_ROOT_DIR})
 # VTK is obligatiry for the SMESH
 FIND_PACKAGE(SalomeVTK REQUIRED)
 
-FIND_PACKAGE(SalomeCAS REQUIRED) 
+FIND_PACKAGE(SalomeOpenCASCADE REQUIRED) 
 
 IF(SALOME_SMESH_USE_CGNS)
   FIND_PACKAGE(SalomeCGNS)
diff --git a/src/Controls/CMakeLists.txt b/src/Controls/CMakeLists.txt
index 74798ca67..8f48ab1f2 100644
--- a/src/Controls/CMakeLists.txt
+++ b/src/Controls/CMakeLists.txt
@@ -20,7 +20,7 @@
 # --- options ---
 # additional include directories
 INCLUDE_DIRECTORIES(
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${KERNEL_INCLUDE_DIRS}
@@ -31,19 +31,16 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
 # libraries to link to
 SET(_link_LIBRARIES
   ${VTK_LIBRARIES}
-  ${CAS_TKernel}
-  ${CAS_TKBRep}
-  ${CAS_TKG3d}
-  ${CAS_TKTopAlgo}
-  ${CAS_TKGeomBase}
-  ${CAS_TKGeomAlgo}
+  ${OpenCASCADE_FoundationClasses_LIBRARIES}
+  ${OpenCASCADE_ModelingData_LIBRARIES}
+  ${OpenCASCADE_ModelingAlgorithms_LIBRARIES}
   SMDS
   SMESHDS
   SMESHUtils
diff --git a/src/Driver/CMakeLists.txt b/src/Driver/CMakeLists.txt
index 96fb9645f..40d69423c 100644
--- a/src/Driver/CMakeLists.txt
+++ b/src/Driver/CMakeLists.txt
@@ -21,7 +21,7 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${Boost_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${KERNEL_INCLUDE_DIRS}
   ${PROJECT_SOURCE_DIR}/src/SMESHUtils
   ${PROJECT_SOURCE_DIR}/src/SMESHDS
@@ -29,15 +29,15 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
 # libraries to link to
 SET(_link_LIBRARIES
   ${KERNEL_OpUtil}
-  ${CAS_TKernel}
-  ${CAS_TKTopAlgo}
+  ${OpenCASCADE_FoundationClasses_LIBRARIES}
+  ${OpenCASCADE_ModelingAlgorithms_LIBRARIES}
   SMESHDS
   SMESHUtils
 )
diff --git a/src/DriverCGNS/CMakeLists.txt b/src/DriverCGNS/CMakeLists.txt
index 4ff5c9977..0cf686fb3 100644
--- a/src/DriverCGNS/CMakeLists.txt
+++ b/src/DriverCGNS/CMakeLists.txt
@@ -21,7 +21,7 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${CGNS_INCLUDE_DIRS}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
@@ -33,7 +33,7 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
diff --git a/src/DriverDAT/CMakeLists.txt b/src/DriverDAT/CMakeLists.txt
index f78ad7893..91ba878eb 100644
--- a/src/DriverDAT/CMakeLists.txt
+++ b/src/DriverDAT/CMakeLists.txt
@@ -21,7 +21,7 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${PROJECT_SOURCE_DIR}/src/Driver
@@ -32,13 +32,13 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
 # libraries to link to
 SET(_link_LIBRARIES
-  ${CAS_KERNEL}
+  ${OpenCASCADE_KERNEL}
   ${KERNEL_SALOMEBasics}
   ${KERNEL_SalomeIDLKERNEL}
   MeshDriver
diff --git a/src/DriverGMF/CMakeLists.txt b/src/DriverGMF/CMakeLists.txt
index 7f2c29651..a04b58c9f 100644
--- a/src/DriverGMF/CMakeLists.txt
+++ b/src/DriverGMF/CMakeLists.txt
@@ -21,7 +21,7 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${PROJECT_SOURCE_DIR}/src/Driver
@@ -32,7 +32,7 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
   "-DBOOST_SYSTEM_NO_DEPRECATED"
 )
diff --git a/src/DriverMED/CMakeLists.txt b/src/DriverMED/CMakeLists.txt
index c392d12ac..6ddace44d 100644
--- a/src/DriverMED/CMakeLists.txt
+++ b/src/DriverMED/CMakeLists.txt
@@ -22,7 +22,7 @@
 INCLUDE_DIRECTORIES(
   ${HDF5_INCLUDE_DIRS}
   ${KERNEL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${PROJECT_SOURCE_DIR}/src/MEDWrapper/Base
@@ -36,7 +36,7 @@ INCLUDE_DIRECTORIES(
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
   ${HDF5_DEFINITIONS}
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
diff --git a/src/DriverSTL/CMakeLists.txt b/src/DriverSTL/CMakeLists.txt
index 53aef6ea3..59b696727 100644
--- a/src/DriverSTL/CMakeLists.txt
+++ b/src/DriverSTL/CMakeLists.txt
@@ -21,7 +21,7 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${PROJECT_SOURCE_DIR}/src/Driver
@@ -32,16 +32,15 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
 # libraries to link to
 SET(_link_LIBRARIES
-  ${CAS_TKernel}
-  ${CAS_TKSTL}
-  ${CAS_TKTopAlgo}
-  ${CAS_TKMesh}
+  ${OpenCASCADE_FoundationClasses_LIBRARIES}
+  ${OpenCASCADE_DataExchange_LIBRARIES}
+  ${OpenCASCADE_ModelingAlgorithms_LIBRARIES}
   ${KERNEL_SALOMEBasics}
   MeshDriver
   SMDS
@@ -53,11 +52,9 @@ SET(_link_LIBRARIES_bin
   ${KERNEL_SALOMELocalTrace}
   ${KERNEL_SALOMEBasics}
   ${KERNEL_SalomeIDLKERNEL}
-  ${CAS_TKernel}
-  ${CAS_TKSTL}
-  ${CAS_TKTopAlgo}
-  ${CAS_TKMesh}
-  ${CAS_TKBO}
+  ${OpenCASCADE_FoundationClasses_LIBRARIES}
+  ${OpenCASCADE_DataExchange_LIBRARIES}
+  ${OpenCASCADE_ModelingAlgorithms_LIBRARIES}
   MeshDriver
   SMDS
 )
diff --git a/src/DriverUNV/CMakeLists.txt b/src/DriverUNV/CMakeLists.txt
index 868975606..8cafb88d4 100644
--- a/src/DriverUNV/CMakeLists.txt
+++ b/src/DriverUNV/CMakeLists.txt
@@ -21,7 +21,7 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${PROJECT_SOURCE_DIR}/src/Driver
@@ -32,13 +32,13 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
 # libraries to link to
 SET(_link_LIBRARIES
-  ${CAS_KERNEL}
+  ${OpenCASCADE_KERNEL}
   ${KERNEL_SALOMEBasics}
   MeshDriver
 )
diff --git a/src/MEFISTO2/CMakeLists.txt b/src/MEFISTO2/CMakeLists.txt
index 6fd089d4f..05e39b1b2 100644
--- a/src/MEFISTO2/CMakeLists.txt
+++ b/src/MEFISTO2/CMakeLists.txt
@@ -21,20 +21,19 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${HDF5_INCLUDE_DIRS}
   ${PLATFORM_INCLUDES}
 )
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
 )
 
 # libraries to link to
 SET(_link_LIBRARIES
-  ${CAS_TKernel}
-  ${CAS_TKMath}
+  ${OpenCASCADE_FoundationClasses_LIBRARIES}
   ${KERNEL_SALOMELocalTrace}
 )
 
diff --git a/src/OBJECT/CMakeLists.txt b/src/OBJECT/CMakeLists.txt
index 44940d59e..21b5ead3f 100644
--- a/src/OBJECT/CMakeLists.txt
+++ b/src/OBJECT/CMakeLists.txt
@@ -25,7 +25,7 @@ INCLUDE_DIRECTORIES(
   ${MEDFILE_INCLUDE_DIRS}
   ${QWT_INCLUDE_DIR}
   ${GEOM_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${OMNIORB_INCLUDE_DIR}
   ${Boost_INCLUDE_DIRS}
@@ -42,7 +42,7 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
   ${OMNIORB_DEFINITIONS}
 )
@@ -51,7 +51,7 @@ ADD_DEFINITIONS(
 SET(_link_LIBRARIES
   ${QT_LIBRARIES}
   ${VTK_LIBRARIES}
-  ${CAS_KERNEL}
+  ${OpenCASCADE_KERNEL}
   ${GEOM_GEOMObject}
   ${GUI_SalomeApp}
   ${GUI_SalomeObject}
diff --git a/src/PluginUtils/CMakeLists.txt b/src/PluginUtils/CMakeLists.txt
index b72bb89ae..ca7c44665 100644
--- a/src/PluginUtils/CMakeLists.txt
+++ b/src/PluginUtils/CMakeLists.txt
@@ -21,7 +21,7 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${QT_INCLUDES}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${PYTHON_INCLUDE_DIRS}
   ${KERNEL_INCLUDE_DIRS}
   ${GUI_INCLUDE_DIRS}
@@ -36,7 +36,7 @@ INCLUDE_DIRECTORIES(
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
   ${QT_DEFINITIONS}
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
   ${OMNIORB_DEFINITIONS}
 )
@@ -46,8 +46,8 @@ SET(_link_LIBRARIES
   ${KERNEL_SalomeIDLKernel}
   ${KERNEL_SALOMELocalTrace}
   ${KERNEL_SalomeLifeCycleCORBA}
-  ${CAS_TKBRep}
-  ${CAS_TKV3d}
+  ${OpenCASCADE_ModelingData_LIBRARIES}
+  ${OpenCASCADE_Visualization_LIBRARIES}
   ${QT_LIBRARIES}
   ${QT_MT_LIBS}
   ${GUI_SalomeObject}
diff --git a/src/SMESH/CMakeLists.txt b/src/SMESH/CMakeLists.txt
index 7858c1c4a..21f4ebf5e 100644
--- a/src/SMESH/CMakeLists.txt
+++ b/src/SMESH/CMakeLists.txt
@@ -22,10 +22,11 @@
 INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
   ${GEOM_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${HDF5_INCLUDE_DIRS}
+  ${TBB_INCLUDE_DIRS}
   ${PROJECT_SOURCE_DIR}/src/Controls
   ${PROJECT_SOURCE_DIR}/src/MEDWrapper/Base
   ${PROJECT_SOURCE_DIR}/src/Driver
@@ -42,7 +43,7 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
@@ -53,10 +54,9 @@ ENDIF(SALOME_SMESH_USE_CGNS)
 
 # libraries to link to
 SET(_link_LIBRARIES
-  ${CAS_TKShHealing}
-  ${CAS_TKPrim}
-  ${CAS_TKG2d}
-  ${CAS_TKCDF}
+  ${OpenCASCADE_ModelingAlgorithms_LIBRARIES}
+  ${OpenCASCADE_ModelingData_LIBRARIES}
+  ${OpenCASCADE_ApplicationFramework_LIBRARIES}
   ${GEOM_NMTTools}
   ${GEOM_GEOMUtils}
   ${Boost_LIBRARIES}
diff --git a/src/SMESHClient/CMakeLists.txt b/src/SMESHClient/CMakeLists.txt
index 4ac6d4322..e8c582ffe 100644
--- a/src/SMESHClient/CMakeLists.txt
+++ b/src/SMESHClient/CMakeLists.txt
@@ -25,7 +25,7 @@ INCLUDE_DIRECTORIES(
   ${GEOM_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${VTK_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${OMNIORB_INCLUDE_DIR}
   ${PROJECT_SOURCE_DIR}/src/Controls
   ${PROJECT_SOURCE_DIR}/src/Driver
@@ -43,7 +43,7 @@ INCLUDE_DIRECTORIES(
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
   ${OMNIORB_DEFINITIONS}
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
@@ -64,7 +64,7 @@ SET(_link_LIBRARIES
   ${KERNEL_SALOMELocalTrace}
   ${GEOM_NMTDS}
   ${GEOM_SalomeIDLGEOM}  
-  ${CAS_KERNEL}
+  ${OpenCASCADE_KERNEL}
   SalomeIDLSMESH
   SMDS
   SMESHimpl
diff --git a/src/SMESHDS/CMakeLists.txt b/src/SMESHDS/CMakeLists.txt
index e5c153cea..c68058be6 100644
--- a/src/SMESHDS/CMakeLists.txt
+++ b/src/SMESHDS/CMakeLists.txt
@@ -26,7 +26,7 @@ ENDIF(SALOME_SMESH_USE_TBB)
 
 INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${PROJECT_SOURCE_DIR}/src/SMDS
@@ -35,7 +35,7 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
@@ -45,8 +45,8 @@ ENDIF(SALOME_SMESH_USE_TBB)
 
 # libraries to link to
 SET(_link_LIBRARIES
-  ${CAS_KERNEL}
-  ${CAS_TKBRep}
+  ${OpenCASCADE_KERNEL}
+  ${OpenCASCADE_ModelingData_LIBRARIES}
   ${KERNEL_SALOMELocalTrace}
   SMDS
   ${TBB_LIBS}
diff --git a/src/SMESHFiltersSelection/CMakeLists.txt b/src/SMESHFiltersSelection/CMakeLists.txt
index 9c13dc614..9c9bf99c5 100644
--- a/src/SMESHFiltersSelection/CMakeLists.txt
+++ b/src/SMESHFiltersSelection/CMakeLists.txt
@@ -20,7 +20,8 @@
 # --- options ---
 # additional include directories
 INCLUDE_DIRECTORIES(
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
+  ${QT_INCLUDES}
   ${PYTHON_INCLUDE_DIRS}
   ${VTK_INCLUDE_DIRS}
   ${KERNEL_INCLUDE_DIRS}
@@ -36,7 +37,7 @@ INCLUDE_DIRECTORIES(
 ADD_DEFINITIONS(
   ${OMNIORB_DEFINITIONS}
   ${PYTHON_DEFINITIONS}
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
 )
 
 # libraries to link to
@@ -48,9 +49,8 @@ SET(_link_LIBRARIES
   ${GUI_LightApp}
   ${GEOM_GEOM}
   ${GEOM_GEOMClient}
-  ${CAS_TKernel}
-  ${CAS_TKMath}
-  ${CAS_TKBRep}
+  ${OpenCASCADE_FoundationClasses_LIBRARIES}
+  ${OpenCASCADE_ModelingData_LIBRARIES}
   SalomeIDLSMESH
 )
 
diff --git a/src/SMESHGUI/CMakeLists.txt b/src/SMESHGUI/CMakeLists.txt
index 4569e5e43..92e170356 100644
--- a/src/SMESHGUI/CMakeLists.txt
+++ b/src/SMESHGUI/CMakeLists.txt
@@ -25,7 +25,7 @@ INCLUDE_DIRECTORIES(
   ${QT_INCLUDES}
   ${VTK_INCLUDE_DIRS}
   ${OGL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${PYTHON_INCLUDE_DIRS}
   ${KERNEL_INCLUDE_DIRS}
   ${GUI_INCLUDE_DIRS}
@@ -49,7 +49,7 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
   ${OMNIORB_DEFINITIONS}
 )
@@ -61,7 +61,7 @@ ENDIF(WIN32)
 
 # libraries to link to
 SET(_link_LIBRARIES
-  ${CAS_TKV3d}
+  ${OpenCASCADE_Visualization_LIBRARIES}
   ${GUI_SalomePrs}
   ${GUI_suit}
   ${GUI_SUITApp}
diff --git a/src/SMESHUtils/CMakeLists.txt b/src/SMESHUtils/CMakeLists.txt
index 707e7b0e3..ae011b71a 100644
--- a/src/SMESHUtils/CMakeLists.txt
+++ b/src/SMESHUtils/CMakeLists.txt
@@ -21,7 +21,7 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
   ${PROJECT_SOURCE_DIR}/src/SMDS
@@ -29,25 +29,18 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
 # libraries to link to
 SET(_link_LIBRARIES
-  ${CAS_TKShHealing}
-  ${CAS_TKPrim}
-  ${CAS_TKernel}
-  ${CAS_TKBRep}
-  ${CAS_TKG2d}
-  ${CAS_TKG3d}
-  ${CAS_TKGeomBase}
-  ${CAS_TKGeomAlgo}
-  ${CAS_TKTopAlgo}
-  ${CAS_TKMesh}
-  ${Boost_LIBRARIES}
-  SMDS
-  )
+   ${OpenCASCADE_ModelingAlgorithms_LIBRARIES}
+   ${OpenCASCADE_FoundationClasses_LIBRARIES}
+   ${OpenCASCADE_ModelingData_LIBRARIES}
+   ${Boost_LIBRARIES}
+   SMDS
+)
 
 # --- headers ---
 
diff --git a/src/SMESH_I/CMakeLists.txt b/src/SMESH_I/CMakeLists.txt
index f8fabc08c..8be022d98 100644
--- a/src/SMESH_I/CMakeLists.txt
+++ b/src/SMESH_I/CMakeLists.txt
@@ -21,7 +21,7 @@
 # additional include directories
 INCLUDE_DIRECTORIES(
   ${OMNIORB_INCLUDE_DIR}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${HDF5_INCLUDE_DIRS}
   ${VTK_INCLUDE_DIRS}
   ${Boost_INCLUDE_DIRS}
@@ -45,7 +45,7 @@ INCLUDE_DIRECTORIES(
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
   ${OMNIORB_DEFINITIONS}
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
@@ -70,11 +70,10 @@ SET(_link_LIBRARIES
   ${KERNEL_SalomeGenericObj}
   ${KERNEL_SalomeIDLKERNEL}
   ${KERNEL_SALOMELocalTrace}
-  ${CAS_TKCDF}
-  ${CAS_TKBO}
-  ${CAS_TKShHealing}
+  ${OpenCASCADE_ApplicationFramework_LIBRARIES}
+  ${OpenCASCADE_ModelingAlgorithms_LIBRARIES}
   ${GEOM_GEOMClient}
-  ${GEOM_SalomeIDLGEOM}  
+  ${GEOM_SalomeIDLGEOM}
   SalomeIDLSMESH
   SMESHimpl
   SMDS
diff --git a/src/SMESH_SWIG_WITHIHM/CMakeLists.txt b/src/SMESH_SWIG_WITHIHM/CMakeLists.txt
index 8a252507c..5fe3f3256 100644
--- a/src/SMESH_SWIG_WITHIHM/CMakeLists.txt
+++ b/src/SMESH_SWIG_WITHIHM/CMakeLists.txt
@@ -24,7 +24,7 @@ INCLUDE(${SWIG_USE_FILE})
 INCLUDE_DIRECTORIES(
   ${QT_INCLUDES}
   ${PYTHON_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${VTK_INCLUDE_DIRS}
   ${OGL_INCLUDE_DIRS}
   ${KERNEL_INCLUDE_DIRS}
@@ -43,7 +43,7 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${OMNIORB_DEFINITIONS}
   ${PYTHON_DEFINITIONS}
 )
diff --git a/src/StdMeshers/CMakeLists.txt b/src/StdMeshers/CMakeLists.txt
index c0097c64a..17a03916c 100644
--- a/src/StdMeshers/CMakeLists.txt
+++ b/src/StdMeshers/CMakeLists.txt
@@ -25,7 +25,7 @@ IF(SALOME_SMESH_USE_TBB)
 ENDIF(SALOME_SMESH_USE_TBB)
 
 INCLUDE_DIRECTORIES(
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${Boost_INCLUDE_DIRS}
   ${VTK_INCLUDE_DIRS}
   ${KERNEL_INCLUDE_DIRS}
@@ -46,7 +46,7 @@ ENDIF(SALOME_SMESH_ENABLE_MEFISTO)
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
 )
 
@@ -58,10 +58,8 @@ ENDIF(SALOME_SMESH_USE_TBB)
 SET(_link_LIBRARIES
   ${KERNEL_SALOMELocalTrace}
   ${KERNEL_OpUtil}
-  ${CAS_TKAdvTools}
-  ${CAS_TKTopAlgo}
-  ${CAS_TKG3d}
-  ${CAS_TKOffset}
+  ${OpenCASCADE_ModelingAlgorithms_LIBRARIES} 
+  ${OpenCASCADE_ModelingData_LIBRARIES}
   ${GEOM_GEOMUtils}
   SMESHimpl
   SMESHDS
diff --git a/src/StdMeshersGUI/CMakeLists.txt b/src/StdMeshersGUI/CMakeLists.txt
index 1b390d361..999891b5b 100644
--- a/src/StdMeshersGUI/CMakeLists.txt
+++ b/src/StdMeshersGUI/CMakeLists.txt
@@ -24,7 +24,7 @@ INCLUDE(UseQtExt)
 INCLUDE_DIRECTORIES(
   ${QT_INCLUDES}
   ${VTK_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${PYTHON_INCLUDE_DIRS}
   ${KERNEL_INCLUDE_DIRS}
   ${GUI_INCLUDE_DIRS}
@@ -48,7 +48,7 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
   ${OMNIORB_DEFINITIONS}
   ${QWT_DEFINITIONS}
@@ -57,9 +57,8 @@ ADD_DEFINITIONS(
 # libraries to link to
 SET(_link_LIBRARIES
   ${GUI_SalomeApp}
-  ${CAS_TKernel}
-  ${CAS_TKBO}
-  ${CAS_TKAdvTools}
+  ${OpenCASCADE_FoundationClasses_LIBRARIES}
+  ${OpenCASCADE_ModelingAlgorithms_LIBRARIES}
   ${QWT_LIBRARY}
   SalomeIDLSMESH
   SMESHFiltersSelection
diff --git a/src/StdMeshers_I/CMakeLists.txt b/src/StdMeshers_I/CMakeLists.txt
index 04e09cfb6..bcbb3fe2e 100644
--- a/src/StdMeshers_I/CMakeLists.txt
+++ b/src/StdMeshers_I/CMakeLists.txt
@@ -20,7 +20,7 @@
 # --- options ---
 # additional include directories
 INCLUDE_DIRECTORIES(
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${HDF5_INCLUDE_DIRS}
   ${KERNEL_INCLUDE_DIRS}
   ${GEOM_INCLUDE_DIRS}
@@ -47,7 +47,7 @@ ENDIF(SALOME_SMESH_ENABLE_MEFISTO)
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
   ${OMNIORB_DEFINITIONS}
 )
@@ -61,8 +61,7 @@ ENDIF(WIN32)
 SET(_link_LIBRARIES
   ${KERNEL_SALOMELocalTrace}
   ${KERNEL_SalomeGenericObj}
-  ${CAS_TKBRep}
-  ${CAS_TKG3d}
+  ${OpenCASCADE_ModelingData_LIBRARIES}
   SalomeIDLSMESH
   StdMeshers
   SMESHEngine
diff --git a/src/Tools/padder/meshjob/impl/CMakeLists.txt b/src/Tools/padder/meshjob/impl/CMakeLists.txt
index 28ab36e11..fb2ac2df0 100644
--- a/src/Tools/padder/meshjob/impl/CMakeLists.txt
+++ b/src/Tools/padder/meshjob/impl/CMakeLists.txt
@@ -23,7 +23,7 @@ INCLUDE_DIRECTORIES(
   ${KERNEL_INCLUDE_DIRS}
   ${GEOM_INCLUDE_DIRS}
   ${VTK_INCLUDE_DIRS}
-  ${CAS_INCLUDE_DIRS}
+  ${OpenCASCADE_INCLUDE_DIR}
   ${Boost_INCLUDE_DIRS}
   ${OMNIORB_INCLUDE_DIR}
   ${LIBXML2_INCLUDE_DIR}
@@ -38,7 +38,7 @@ INCLUDE_DIRECTORIES(
 
 # additional preprocessor / compiler flags
 ADD_DEFINITIONS(
-  ${CAS_DEFINITIONS}
+  ${OpenCASCADE_DEFINITIONS}
   ${BOOST_DEFINITIONS}
   ${LIBXML2_DEFINITIONS}
   ${OMNIORB_DEFINITIONS}