diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 27f4159424..75dbc3319b 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -100,6 +100,12 @@ UNIFY_ENVVARS_AND_CACHE(LIBXML2_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(LIBXML2_LIBRARIES)
 UNIFY_ENVVARS_AND_CACHE(PCRE_LIBRARY_DIR)
 UNIFY_ENVVARS_AND_CACHE(PYTHON_EXECUTABLE)
+UNIFY_ENVVARS_AND_CACHE(CGAL_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(CGAL_LIBRARY_DIR)
+UNIFY_ENVVARS_AND_CACHE(GMP_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(GMP_LIBRARY_DIR)
+UNIFY_ENVVARS_AND_CACHE(MPFR_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(MPFR_LIBRARY_DIR)
 IF(WIN32)
     UNIFY_ENVVARS_AND_CACHE(THREEDS_MAX_SDK_HOME)
 ENDIF()
@@ -237,6 +243,48 @@ foreach(lib ${OPENCASCADE_LIBRARY_NAMES})
 	list(APPEND OPENCASCADE_LIBRARIES "${lib_path}")
 endforeach()
 
+SET(CGAL_LIBRARY_NAMES libCGAL_Core libCGAL_ImageIO libCGAL)
+# Find CGAL
+IF("${CGAL_INCLUDE_DIR}" STREQUAL "")
+	SET(CGAL_INCLUDE_DIR "/usr/include/" CACHE FILEPATH "CGAL header files")
+	MESSAGE(STATUS "Looking for CGAL include files in: ${CGAL_INCLUDE_DIR}")
+	MESSAGE(STATUS "Use CGAL_INCLUDE_DIR to specify another directory")
+ELSE()
+	SET(CGAL_INCLUDE_DIR ${CGAL_INCLUDE_DIR} CACHE FILEPATH "CGAL header files")
+	MESSAGE(STATUS "Looking for CGAL include files in: ${CGAL_INCLUDE_DIR}")
+ENDIF()
+IF("${CGAL_LIBRARY_DIR}" STREQUAL "")
+	SET(CGAL_LIBRARY_DIR "/usr/lib/" CACHE FILEPATH "CGAL library files")
+	MESSAGE(STATUS "Looking for CGAL library files in: ${CGAL_LIBRARY_DIR}")
+	MESSAGE(STATUS "Use CGAL_LIBRARY_DIR to specify another directory")
+ELSE()
+	SET(CGAL_LIBRARY_DIR ${CGAL_LIBRARY_DIR} CACHE FILEPATH "CGAL library files")
+	MESSAGE(STATUS "Looking for CGAL library files in: ${CGAL_LIBRARY_DIR}")
+ENDIF()
+FIND_LIBRARY(libCGAL NAMES CGAL PATHS ${CGAL_LIBRARY_DIR} NO_DEFAULT_PATH)
+IF(libCGAL)
+        MESSAGE(STATUS "CGAL library files found")
+ELSE()
+        MESSAGE(FATAL_ERROR "Unable to find CGAL library files, aborting")
+ENDIF()
+foreach(lib ${CGAL_LIBRARY_NAMES})
+    string(REPLACE libCGAL "${lib}" lib_path "${libCGAL}")
+    list(APPEND CGAL_LIBRARIES "${lib_path}")
+endforeach()
+FIND_LIBRARY(libGMP NAMES gmp PATHS ${GMP_LIBRARY_DIR} NO_DEFAULT_PATH)
+FIND_LIBRARY(libMPFR NAMES mpfr PATHS ${MPFR_LIBRARY_DIR} NO_DEFAULT_PATH)
+IF(NOT libGMP)
+        MESSAGE(FATAL_ERROR "Unable to find GMP library files, aborting")
+ENDIF()
+IF(NOT libMPFR)
+        MESSAGE(FATAL_ERROR "Unable to find MPFR library files, aborting")
+ENDIF()
+list(APPEND CGAL_LIBRARIES "${libGMP}")
+list(APPEND CGAL_LIBRARIES "${libMPFR}")
+
+
+
+
 if(MSVC)
     add_definitions(-DHAVE_NO_DLL)
     add_debug_variants(OPENCASCADE_LIBRARIES "${OPENCASCADE_LIBRARIES}" d)
@@ -463,6 +511,7 @@ endif()
 
 INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES} ${OCC_INCLUDE_DIR} ${OPENCOLLADA_INCLUDE_DIRS}
 	${ICU_INCLUDE_DIR} ${Boost_INCLUDE_DIRS} ${LIBXML2_INCLUDE_DIR}
+	${CGAL_INCLUDE_DIR} ${GMP_INCLUDE_DIR} ${MPFR_INCLUDE_DIR}
 )
 
 function(files_for_ifc_version IFC_VERSION RESULT_NAME)