Migration to OpenCASCADE CMake configuration

diff --git a/cmake/FindSalomeOpenCASCADE.cmake b/cmake/FindSalomeOpenCASCADE.cmake
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+++ b/cmake/FindSalomeOpenCASCADE.cmake
@@ -0,0 +1,48 @@
+# Copyright (C) 2013-2016  CEA/DEN, EDF R&D, OPEN CASCADE
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+# Author: Roman NIKOLAEV
+#
+
+# OpenCascade detection for Salome
+#
+#  !! Please read the generic detection procedure in SalomeMacros.cmake !!
+#
+
+# TODO: RNV: Check different OCCT layouts !!!
+SALOME_FIND_PACKAGE_AND_DETECT_CONFLICTS(OpenCASCADE OpenCASCADE_INCLUDE_DIR 2)
+
+IF(OpenCASCADE_FOUND)
+  
+  IF(NOT CAS_FIND_QUIETLY)
+      MESSAGE(STATUS "Found OpenCascade version: ${OpenCASCADE_VERSION}")
+  ENDIF()
+
+  # OPENCASCADE definitions
+  SET(OpenCascade_DEFINITIONS ${OpenCASCADE_C_FLAGS} ${OpenCASCADE_CXX_FLAGS})
+  SET(OpenCascade_LDFLAGS ${OpenCASCADE_LINKER_FLAGS})
+
+  SALOME_ACCUMULATE_HEADERS(OpenCASCADE_INCLUDE_DIR)
+  SALOME_ACCUMULATE_ENVIRONMENT(LD_LIBRARY_PATH ${OpenCASCADE_LIBRARY_DIR})
+
+ELSE()
+  # TODO: Detect OpenCASCADE if it is distributed without CMake configuration.
+  IF(NOT CAS_FIND_QUIETLY)
+    MESSAGE(STATUS "Could not find OpenCASCADE ...")
+  ENDIF()
+ENDIF()
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