diff --git a/CMakeLists.txt b/CMakeLists.txt
index e43fdc6dc..9e1aef5e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -380,7 +380,6 @@ function(slic3r_remap_configs targets from_Cfg to_Cfg)
     
         foreach(tgt ${targets})
             if(TARGET ${tgt})
-                message(STATUS "remapping target ${tgt}")
                 set_target_properties(${tgt} PROPERTIES MAP_IMPORTED_CONFIG_${from_CFG} ${to_Cfg})
             endif()
         endforeach()
diff --git a/deps/OCCT/OCCT.cmake b/deps/OCCT/OCCT.cmake
index fb7891caa..b582fd15f 100644
--- a/deps/OCCT/OCCT.cmake
+++ b/deps/OCCT/OCCT.cmake
@@ -2,7 +2,9 @@ prusaslicer_add_cmake_project(OCCT
     #LMBBS: changed version to 7.6.2
     URL https://github.com/Open-Cascade-SAS/OCCT/archive/refs/tags/V7_6_2.zip
     URL_HASH SHA256=c696b923593e8c18d059709717dbf155b3e72fdd283c8522047a790ec3a432c5
+    # SOURCE_DIR c:/Users/mesza/Workspace/prusa3d/PrusaSlicer/dep_OCCT
 
+    PATCH_COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_LIST_DIR}/occt_toolkit.cmake ./adm/cmake/
     CMAKE_ARGS
         -DINSTALL_DIR_LAYOUT=Unix # LMBBS
         -DBUILD_LIBRARY_TYPE=Static
@@ -21,7 +23,6 @@ prusaslicer_add_cmake_project(OCCT
 		-DBUILD_MODULE_Visualization=OFF
 )
 
-# TODO: debug mode does not compile
-# if (MSVC)
-#   add_debug_dep(dep_OCCT)
-# endif ()
+if (MSVC)
+  add_debug_dep(dep_OCCT)
+endif ()
diff --git a/deps/OCCT/occt_toolkit.cmake b/deps/OCCT/occt_toolkit.cmake
new file mode 100644
index 000000000..1b77eb1b2
--- /dev/null
+++ b/deps/OCCT/occt_toolkit.cmake
@@ -0,0 +1,453 @@
+# script for each OCCT toolkit
+
+# filling some variables by default values(src) or using custom(tools, samples)
+set (RELATIVE_SOURCES_DIR "${RELATIVE_DIR}")
+if ("${RELATIVE_SOURCES_DIR}" STREQUAL "")
+  #if it is not defined, use default directory
+  set (RELATIVE_SOURCES_DIR "src")
+endif()
+
+set (OCC_MODULES_LIST "${MODULES_LIST}")
+if ("${OCC_MODULES_LIST}" STREQUAL "")
+  set (OCC_MODULES_LIST ${OCCT_MODULES})
+endif()
+
+set (OCC_TARGET_FOLDER "${TARGET_FOLDER}")
+if ("${OCC_TARGET_FOLDER}" STREQUAL "")
+  set (OCC_TARGET_FOLDER "Modules")
+endif()
+
+set (OCCT_TOOLKITS_NAME_SUFFIX "${TOOLKITS_NAME_SUFFIX}")
+if ("${OCCT_TOOLKITS_NAME_SUFFIX}" STREQUAL "")
+  set (OCCT_TOOLKITS_NAME_SUFFIX "TOOLKITS")
+endif()
+
+# parse PACKAGES file
+FILE_TO_LIST ("${RELATIVE_SOURCES_DIR}/${PROJECT_NAME}/PACKAGES" USED_PACKAGES)
+if ("${USED_PACKAGES}" STREQUAL "")
+  set (USED_PACKAGES ${PROJECT_NAME})
+endif()
+
+if (USE_QT)
+  # Qt dependencies
+  OCCT_INCLUDE_CMAKE_FILE (adm/cmake/qt_macro)
+  FIND_QT_PACKAGE(PROJECT_LIBRARIES_DEBUG PROJECT_LIBRARIES_RELEASE PROJECT_INCLUDES)
+  include_directories("${PROJECT_INCLUDES}")
+endif(USE_QT)
+
+set (PRECOMPILED_DEFS)
+
+if (NOT BUILD_SHARED_LIBS)
+  list (APPEND PRECOMPILED_DEFS "-DOCCT_NO_PLUGINS")
+  if (WIN32 AND NOT EXECUTABLE_PROJECT)
+    list (APPEND PRECOMPILED_DEFS "-DOCCT_STATIC_BUILD")
+  endif()
+endif()
+
+# Get all used packages from toolkit
+UNSET(RESOURCE_FILES)
+foreach (OCCT_PACKAGE ${USED_PACKAGES})
+
+  #remove part after "/" in the OCCT_PACKAGE variable if exists
+  string (FIND "${OCCT_PACKAGE}" "/" _index)
+  if (_index GREATER -1)
+    math (EXPR _index "${_index}")
+    string (SUBSTRING "${OCCT_PACKAGE}" 0 ${_index} OCCT_PACKAGE_NAME)
+  else()
+    set (OCCT_PACKAGE_NAME "${OCCT_PACKAGE}")
+  endif()
+
+  if (WIN32)
+    list (APPEND PRECOMPILED_DEFS "-D__${OCCT_PACKAGE_NAME}_DLL")
+  endif()
+
+  set (SOURCE_FILES)
+  set (HEADER_FILES)
+
+  # Generate Flex and Bison files
+  if (${BUILD_YACCLEX})
+    # flex files
+    OCCT_ORIGIN_AND_PATCHED_FILES ("${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}" "*[.]lex" SOURCE_FILES_FLEX)
+    list (LENGTH SOURCE_FILES_FLEX SOURCE_FILES_FLEX_LEN)
+
+    # bison files
+    OCCT_ORIGIN_AND_PATCHED_FILES ("${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}" "*[.]yacc" SOURCE_FILES_BISON)
+    list (LENGTH SOURCE_FILES_BISON SOURCE_FILES_BISON_LEN)
+
+    if (${SOURCE_FILES_FLEX_LEN} EQUAL ${SOURCE_FILES_BISON_LEN} AND NOT ${SOURCE_FILES_FLEX_LEN} EQUAL 0)
+      
+      list (SORT SOURCE_FILES_FLEX)
+      list (SORT SOURCE_FILES_BISON)
+
+      math (EXPR SOURCE_FILES_FLEX_LEN "${SOURCE_FILES_FLEX_LEN} - 1")
+      foreach (FLEX_FILE_INDEX RANGE ${SOURCE_FILES_FLEX_LEN})
+
+        list (GET SOURCE_FILES_FLEX ${FLEX_FILE_INDEX} CURRENT_FLEX_FILE)
+        get_filename_component (CURRENT_FLEX_FILE_NAME ${CURRENT_FLEX_FILE} NAME_WE)
+
+        list (GET SOURCE_FILES_BISON ${FLEX_FILE_INDEX} CURRENT_BISON_FILE)
+        get_filename_component (CURRENT_BISON_FILE_NAME ${CURRENT_BISON_FILE} NAME_WE)
+          
+        string (COMPARE EQUAL ${CURRENT_FLEX_FILE_NAME} ${CURRENT_BISON_FILE_NAME} ARE_FILES_EQUAL)
+
+        if (EXISTS "${CURRENT_FLEX_FILE}" AND EXISTS "${CURRENT_BISON_FILE}" AND ${ARE_FILES_EQUAL})
+
+          # Note: files are generated in original source directory (not in patch!)
+          set (FLEX_BISON_TARGET_DIR "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}")
+
+          # choose appropriate extension for generated files: "cxx" if source file contains
+          # instruction to generate C++ code, "c" otherwise
+          set (BISON_OUTPUT_FILE_EXT "c")
+          set (FLEX_OUTPUT_FILE_EXT "c")
+          file (STRINGS "${CURRENT_BISON_FILE}" FILE_BISON_CONTENT)
+          foreach (FILE_BISON_CONTENT_LINE ${FILE_BISON_CONTENT})
+            string (REGEX MATCH "%language \"C\\+\\+\"" CXX_BISON_LANGUAGE_FOUND ${FILE_BISON_CONTENT_LINE})
+            if (CXX_BISON_LANGUAGE_FOUND)
+              set (BISON_OUTPUT_FILE_EXT "cxx")
+            endif()
+          endforeach()
+          file (STRINGS "${CURRENT_FLEX_FILE}" FILE_FLEX_CONTENT)
+          foreach (FILE_FLEX_CONTENT_LINE ${FILE_FLEX_CONTENT})
+            string (REGEX MATCH "%option c\\+\\+" CXX_FLEX_LANGUAGE_FOUND ${FILE_FLEX_CONTENT_LINE})
+            if (CXX_FLEX_LANGUAGE_FOUND)
+              set (FLEX_OUTPUT_FILE_EXT "cxx")
+
+              # install copy of FlexLexer.h locally to allow further building without flex
+              if (FLEX_INCLUDE_DIR AND EXISTS "${FLEX_INCLUDE_DIR}/FlexLexer.h")
+                configure_file("${FLEX_INCLUDE_DIR}/FlexLexer.h" "${FLEX_BISON_TARGET_DIR}/FlexLexer.h" @ONLY NEWLINE_STYLE LF)
+              endif()
+            endif()
+          endforeach()
+          set (BISON_OUTPUT_FILE ${CURRENT_BISON_FILE_NAME}.tab.${BISON_OUTPUT_FILE_EXT})
+          set (FLEX_OUTPUT_FILE lex.${CURRENT_FLEX_FILE_NAME}.${FLEX_OUTPUT_FILE_EXT})
+
+          BISON_TARGET (Parser_${CURRENT_BISON_FILE_NAME} ${CURRENT_BISON_FILE} "${FLEX_BISON_TARGET_DIR}/${BISON_OUTPUT_FILE}"
+                        COMPILE_FLAGS "-p ${CURRENT_BISON_FILE_NAME} -l -M ${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/=")
+          FLEX_TARGET  (Scanner_${CURRENT_FLEX_FILE_NAME} ${CURRENT_FLEX_FILE} "${FLEX_BISON_TARGET_DIR}/${FLEX_OUTPUT_FILE}"
+                        COMPILE_FLAGS "-P${CURRENT_FLEX_FILE_NAME} -L")
+          ADD_FLEX_BISON_DEPENDENCY (Scanner_${CURRENT_FLEX_FILE_NAME} Parser_${CURRENT_BISON_FILE_NAME})
+           
+          list (APPEND SOURCE_FILES ${BISON_OUTPUT_FILE} ${FLEX_OUTPUT_FILE})
+        endif()
+      endforeach()
+    endif()
+  endif()
+
+  # header files
+  if (BUILD_PATCH AND EXISTS "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES")
+    file (STRINGS "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES" HEADER_FILES_M   REGEX ".+[.]h")
+    file (STRINGS "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES" HEADER_FILES_LXX REGEX ".+[.]lxx")
+    file (STRINGS "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES" HEADER_FILES_GXX REGEX ".+[.]gxx")
+
+    file (STRINGS "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES" SOURCE_FILES_C REGEX ".+[.]c")
+    if(APPLE)
+      file (STRINGS "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES" SOURCE_FILES_M REGEX ".+[.]mm")
+    endif()
+  else()
+    file (STRINGS "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES"     HEADER_FILES_M   REGEX ".+[.]h")
+    file (STRINGS "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES"     HEADER_FILES_LXX REGEX ".+[.]lxx")
+    file (STRINGS "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES"     HEADER_FILES_GXX REGEX ".+[.]gxx")
+
+    file (STRINGS "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES"     SOURCE_FILES_C REGEX ".+[.]c")
+    if(APPLE)
+      file (STRINGS "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/FILES"   SOURCE_FILES_M REGEX ".+[.]mm")
+    endif()
+  endif()
+    
+  list (APPEND HEADER_FILES ${HEADER_FILES_M} ${HEADER_FILES_LXX} ${SOURCE_FILES_GXX})
+  list (APPEND SOURCE_FILES ${SOURCE_FILES_C})
+  if(APPLE)
+    list (APPEND SOURCE_FILES ${SOURCE_FILES_M})
+  endif()
+
+  foreach(HEADER_FILE ${HEADER_FILES})
+    if (BUILD_PATCH AND EXISTS "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${HEADER_FILE}")
+      message (STATUS "Info: consider patched file: ${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${HEADER_FILE}")
+      list (APPEND USED_INCFILES "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${HEADER_FILE}")
+      SOURCE_GROUP ("Header Files\\${OCCT_PACKAGE_NAME}" FILES "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${HEADER_FILE}")
+    else()
+      list (APPEND USED_INCFILES "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${HEADER_FILE}")
+      SOURCE_GROUP ("Header Files\\${OCCT_PACKAGE_NAME}" FILES "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${HEADER_FILE}")
+    endif()
+  endforeach()
+
+  foreach(SOURCE_FILE ${SOURCE_FILES})
+    if (BUILD_PATCH AND EXISTS "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${SOURCE_FILE}")
+      message (STATUS "Info: consider patched file: ${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${SOURCE_FILE}")
+      list (APPEND USED_SRCFILES "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${SOURCE_FILE}")
+      SOURCE_GROUP ("Source Files\\${OCCT_PACKAGE_NAME}" FILES "${BUILD_PATCH}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${SOURCE_FILE}")
+    else()
+      list (APPEND USED_SRCFILES "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${SOURCE_FILE}")
+      SOURCE_GROUP ("Source Files\\${OCCT_PACKAGE_NAME}" FILES "${CMAKE_SOURCE_DIR}/${RELATIVE_SOURCES_DIR}/${OCCT_PACKAGE}/${SOURCE_FILE}")
+    endif()
+  endforeach()
+
+  if (USE_QT)
+    FIND_AND_INSTALL_QT_RESOURCES (${OCCT_PACKAGE} RESOURCE_FILES)
+    #message("Qt Resource files are: ${QT_RESOURCE_FILES} in ${OCCT_PACKAGE}")
+  endif(USE_QT)
+
+  #message("Resource files are: ${RESOURCE_FILES} in ${OCCT_PACKAGE}")
+  foreach(RESOURCE_FILE ${RESOURCE_FILES})
+    SOURCE_GROUP ("Resource Files\\${OCCT_PACKAGE_NAME}" FILES "${RESOURCE_FILE}")
+  endforeach()
+endforeach()
+string (REGEX REPLACE ";" " " PRECOMPILED_DEFS "${PRECOMPILED_DEFS}")
+
+set (USED_RCFILE "")
+if (MSVC)
+  set (USED_RCFILE "${CMAKE_BINARY_DIR}/resources/${PROJECT_NAME}.rc")
+
+  if (APPLY_OCCT_PATCH_DIR AND EXISTS "${APPLY_OCCT_PATCH_DIR}/adm/templates/occt_toolkit.rc.in")
+    configure_file("${APPLY_OCCT_PATCH_DIR}/adm/templates/occt_toolkit.rc.in" "${USED_RCFILE}" @ONLY)
+  else()
+    configure_file("${CMAKE_SOURCE_DIR}/adm/templates/occt_toolkit.rc.in" "${USED_RCFILE}" @ONLY)
+  endif()
+endif()
+
+set (CURRENT_MODULE)
+foreach (OCCT_MODULE ${OCC_MODULES_LIST})
+  list (FIND ${OCCT_MODULE}_${OCCT_TOOLKITS_NAME_SUFFIX} ${PROJECT_NAME} CURRENT_PROJECT_IS_BUILT)
+
+  if (NOT ${CURRENT_PROJECT_IS_BUILT} EQUAL -1)
+    set (CURRENT_MODULE ${OCCT_MODULE})
+  endif()
+endforeach()
+
+if (MSVC)
+  OCCT_INSERT_CODE_FOR_TARGET ()
+endif()
+
+if (USE_QT)
+  FIND_AND_WRAP_MOC_FILES("${USED_INCFILES}" "${PROJECT_NAME}_MOC_FILES")
+  #message("MOC files: ${${PROJECT_NAME}_MOC_FILES}")
+endif (USE_QT)
+
+if (EXECUTABLE_PROJECT)
+  add_executable (${PROJECT_NAME} ${USED_SRCFILES} ${USED_INCFILES} ${USED_RCFILE} ${RESOURCE_FILES} ${${PROJECT_NAME}_MOC_FILES})
+
+  install (TARGETS ${PROJECT_NAME}
+           DESTINATION "${INSTALL_DIR_BIN}\${OCCT_INSTALL_BIN_LETTER}")
+
+  if (EMSCRIPTEN)
+    install(FILES ${CMAKE_BINARY_DIR}/${OS_WITH_BIT}/${COMPILER}/bin\${OCCT_INSTALL_BIN_LETTER}/${PROJECT_NAME}.wasm DESTINATION "${INSTALL_DIR_BIN}/${OCCT_INSTALL_BIN_LETTER}")
+  endif()
+else()
+  add_library (${PROJECT_NAME} ${USED_SRCFILES} ${USED_INCFILES} ${USED_RCFILE} ${RESOURCE_FILES} ${${PROJECT_NAME}_MOC_FILES})
+
+  if (MSVC)
+    if (BUILD_FORCE_RelWithDebInfo)
+      set (aReleasePdbConf "Release")
+    else()
+      set (aReleasePdbConf)
+    endif()
+    # install (FILES  ${CMAKE_BINARY_DIR}/${OS_WITH_BIT}/${COMPILER}/bin\${OCCT_INSTALL_BIN_LETTER}/${PROJECT_NAME}.pdb
+    #          CONFIGURATIONS Debug ${aReleasePdbConf} RelWithDebInfo
+    #          DESTINATION "${INSTALL_DIR_BIN}\${OCCT_INSTALL_BIN_LETTER}")
+  endif()
+
+  if (BUILD_SHARED_LIBS AND NOT "${BUILD_SHARED_LIBRARY_NAME_POSTFIX}" STREQUAL "")
+    set (CMAKE_SHARED_LIBRARY_SUFFIX_DEFAULT ${CMAKE_SHARED_LIBRARY_SUFFIX})
+    set (CMAKE_SHARED_LIBRARY_SUFFIX "${BUILD_SHARED_LIBRARY_NAME_POSTFIX}${CMAKE_SHARED_LIBRARY_SUFFIX}")
+  endif()
+
+  install (TARGETS ${PROJECT_NAME}
+           EXPORT OpenCASCADE${CURRENT_MODULE}Targets
+           RUNTIME DESTINATION "${INSTALL_DIR_BIN}\${OCCT_INSTALL_BIN_LETTER}"
+           ARCHIVE DESTINATION "${INSTALL_DIR_LIB}\${OCCT_INSTALL_BIN_LETTER}"
+           LIBRARY DESTINATION "${INSTALL_DIR_LIB}\${OCCT_INSTALL_BIN_LETTER}")
+
+  if (NOT WIN32)
+    if (BUILD_SHARED_LIBS AND NOT "${BUILD_SHARED_LIBRARY_NAME_POSTFIX}" STREQUAL "")
+      set (LINK_NAME    "${INSTALL_DIR}/${INSTALL_DIR_LIB}\${OCCT_INSTALL_BIN_LETTER}/lib${PROJECT_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX_DEFAULT}")
+      set (LIBRARY_NAME "${INSTALL_DIR}/${INSTALL_DIR_LIB}\${OCCT_INSTALL_BIN_LETTER}/lib${PROJECT_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}")
+      OCCT_CREATE_SYMLINK_TO_FILE (${LIBRARY_NAME} ${LINK_NAME})
+    endif()
+  endif()
+endif()
+
+if (CURRENT_MODULE)
+  set_target_properties (${PROJECT_NAME} PROPERTIES FOLDER "${OCC_TARGET_FOLDER}/${CURRENT_MODULE}")
+  set_target_properties (${PROJECT_NAME} PROPERTIES MODULE "${CURRENT_MODULE}")
+  if (APPLE)
+    if (NOT "${INSTALL_NAME_DIR}" STREQUAL "")
+      set_target_properties (${PROJECT_NAME} PROPERTIES BUILD_WITH_INSTALL_RPATH 1 INSTALL_NAME_DIR "${INSTALL_NAME_DIR}")
+    endif()
+  endif()
+endif()
+
+get_property (OCC_VERSION_MAJOR GLOBAL PROPERTY OCC_VERSION_MAJOR)
+get_property (OCC_VERSION_MINOR GLOBAL PROPERTY OCC_VERSION_MINOR)
+get_property (OCC_VERSION_MAINTENANCE GLOBAL PROPERTY OCC_VERSION_MAINTENANCE)
+
+if (ANDROID)
+  # do not append version to the filename
+  set_target_properties (${PROJECT_NAME} PROPERTIES COMPILE_FLAGS "${PRECOMPILED_DEFS}")
+else()
+  set_target_properties (${PROJECT_NAME} PROPERTIES COMPILE_FLAGS "${PRECOMPILED_DEFS}"
+                                                    SOVERSION     "${OCC_VERSION_MAJOR}"
+                                                    VERSION       "${OCC_VERSION_MAJOR}.${OCC_VERSION_MINOR}.${OCC_VERSION_MAINTENANCE}")
+endif()
+
+set (USED_TOOLKITS_BY_CURRENT_PROJECT)
+set (USED_EXTERNAL_LIBS_BY_CURRENT_PROJECT)
+
+# parse EXTERNLIB file
+if (CUSTOM_EXTERNLIB)
+  set (USED_EXTERNLIB_AND_TOOLKITS ${CUSTOM_EXTERNLIB})
+else()
+  FILE_TO_LIST ("${RELATIVE_SOURCES_DIR}/${PROJECT_NAME}/EXTERNLIB" USED_EXTERNLIB_AND_TOOLKITS)
+endif()
+foreach (USED_ITEM ${USED_EXTERNLIB_AND_TOOLKITS})
+  string (REGEX MATCH "^ *#" COMMENT_FOUND ${USED_ITEM})
+  if (NOT COMMENT_FOUND)
+    string (REGEX MATCH "^TK" TK_FOUND ${USED_ITEM})
+    string (REGEX MATCH "^vtk" VTK_FOUND ${USED_ITEM})
+    
+    if (NOT "${TK_FOUND}" STREQUAL "" OR NOT "${VTK_FOUND}" STREQUAL "")
+      list (APPEND USED_TOOLKITS_BY_CURRENT_PROJECT ${USED_ITEM})
+      if (NOT "${VTK_FOUND}" STREQUAL "" AND BUILD_SHARED_LIBS AND INSTALL_VTK AND COMMAND OCCT_INSTALL_VTK)
+        OCCT_INSTALL_VTK(${USED_ITEM})
+      endif()
+    else()
+      string (REGEX MATCH "^CSF_" CSF_FOUND ${USED_ITEM})
+      if ("${CSF_FOUND}" STREQUAL "")
+        message (STATUS "Info: ${USED_ITEM} from ${PROJECT_NAME} skipped due to it is empty")
+      else() # get CSF_ value
+        set (CURRENT_CSF ${${USED_ITEM}})
+        if (NOT "x${CURRENT_CSF}" STREQUAL "x")
+          if ("${CURRENT_CSF}" STREQUAL "CSF_OpenGlLibs")
+            add_definitions (-DHAVE_OPENGL)
+          endif()
+          if ("${CURRENT_CSF}" STREQUAL "CSF_OpenGlesLibs")
+            add_definitions (-DHAVE_GLES2)
+          endif()
+
+          set (LIBRARY_FROM_CACHE 0)
+          separate_arguments (CURRENT_CSF)
+          foreach (CSF_LIBRARY ${CURRENT_CSF})
+            string (TOLOWER "${CSF_LIBRARY}" CSF_LIBRARY)
+            string (REPLACE "+" "[+]" CSF_LIBRARY "${CSF_LIBRARY}")
+            string (REPLACE "." "" CSF_LIBRARY "${CSF_LIBRARY}")
+            get_cmake_property(ALL_CACHE_VARIABLES CACHE_VARIABLES)
+            string (REGEX MATCHALL "(^|;)3RDPARTY_[^;]+_LIBRARY[^;]*" ALL_CACHE_VARIABLES "${ALL_CACHE_VARIABLES}")
+            foreach (CACHE_VARIABLE ${ALL_CACHE_VARIABLES})
+              set (CURRENT_CACHE_LIBRARY ${${CACHE_VARIABLE}})
+              string (TOLOWER "${CACHE_VARIABLE}" CACHE_VARIABLE)
+
+              if (EXISTS "${CURRENT_CACHE_LIBRARY}" AND NOT IS_DIRECTORY "${CURRENT_CACHE_LIBRARY}")
+                string (REGEX MATCH "_${CSF_LIBRARY}$" IS_ENDING "${CACHE_VARIABLE}")
+                string (REGEX MATCH "^([a-z]+)" CSF_WO_VERSION "${CSF_LIBRARY}")
+                string (REGEX MATCH "_${CSF_WO_VERSION}$" IS_ENDING_WO_VERSION "${CACHE_VARIABLE}")
+                if ("3rdparty_${CSF_LIBRARY}_library" STREQUAL "${CACHE_VARIABLE}" OR
+                    "3rdparty_${CSF_WO_VERSION}_library" STREQUAL "${CACHE_VARIABLE}" OR
+                    NOT "x${IS_ENDING}" STREQUAL "x" OR
+                    NOT "x${IS_ENDING_WO_VERSION}" STREQUAL "x")
+                  list (APPEND USED_EXTERNAL_LIBS_BY_CURRENT_PROJECT "${CURRENT_CACHE_LIBRARY}")
+                  set (LIBRARY_FROM_CACHE 1)
+                endif()
+              endif()
+            endforeach()
+          endforeach()
+
+          if (NOT ${LIBRARY_FROM_CACHE})
+            # prepare a list from a string with whitespaces
+            separate_arguments (CURRENT_CSF)
+            list (APPEND USED_EXTERNAL_LIBS_BY_CURRENT_PROJECT ${CURRENT_CSF})
+          endif()
+        endif()
+      endif()
+    endif()
+  endif()
+endforeach()
+
+if (APPLE)
+  list (FIND USED_EXTERNAL_LIBS_BY_CURRENT_PROJECT X11 IS_X11_FOUND)
+  if (NOT ${IS_X11_FOUND} EQUAL -1)
+    find_package (X11 COMPONENTS X11)
+    if (NOT X11_FOUND)
+      message (STATUS "Warning: X11 is not found. It's required to install The XQuartz project: http://www.xquartz.org")
+    endif()
+  endif()
+endif()
+
+# Update list of used VTK libraries if OpenGL2 Rendering BackEnd is used.
+# Add VTK_OPENGL2_BACKEND definition.
+if("${VTK_RENDERING_BACKEND}" STREQUAL "OpenGL2" OR IS_VTK_9XX)
+  add_definitions(-DVTK_OPENGL2_BACKEND)
+  foreach (VTK_EXCLUDE_LIBRARY vtkRenderingOpenGL vtkRenderingFreeTypeOpenGL)
+    list (FIND USED_TOOLKITS_BY_CURRENT_PROJECT "${VTK_EXCLUDE_LIBRARY}" IS_VTK_OPENGL_FOUND)
+    if (NOT ${IS_VTK_OPENGL_FOUND} EQUAL -1)
+      list (REMOVE_ITEM USED_TOOLKITS_BY_CURRENT_PROJECT ${VTK_EXCLUDE_LIBRARY})
+      if (${VTK_EXCLUDE_LIBRARY} STREQUAL vtkRenderingOpenGL)
+        list (APPEND USED_TOOLKITS_BY_CURRENT_PROJECT vtkRenderingOpenGL2)
+        if(VTK_MAJOR_VERSION GREATER 6)
+          list (APPEND USED_TOOLKITS_BY_CURRENT_PROJECT vtkRenderingGL2PSOpenGL2)
+        endif()
+      endif()
+    endif()
+  endforeach()
+else()
+  if(VTK_MAJOR_VERSION EQUAL 6 AND VTK_MINOR_VERSION GREATER 2 OR VTK_MAJOR_VERSION GREATER 6)
+    list (FIND USED_TOOLKITS_BY_CURRENT_PROJECT "vtkRenderingFreeTypeOpenGL" IS_VTK_RENDER_FREETYPE_FOUND)
+    if (NOT ${IS_VTK_RENDER_FREETYPE_FOUND} EQUAL -1)
+      list (REMOVE_ITEM USED_TOOLKITS_BY_CURRENT_PROJECT "vtkRenderingFreeTypeOpenGL")
+    endif()
+  endif()
+endif()
+
+if (BUILD_SHARED_LIBS OR EXECUTABLE_PROJECT)
+  if(IS_VTK_9XX)
+    string (REGEX REPLACE "vtk" "VTK::" USED_TOOLKITS_BY_CURRENT_PROJECT "${USED_TOOLKITS_BY_CURRENT_PROJECT}")
+  endif()
+  target_link_libraries (${PROJECT_NAME} ${USED_TOOLKITS_BY_CURRENT_PROJECT} ${USED_EXTERNAL_LIBS_BY_CURRENT_PROJECT})
+endif()
+
+if (USE_QT)
+  foreach (PROJECT_LIBRARY_DEBUG ${PROJECT_LIBRARIES_DEBUG})
+    target_link_libraries (${PROJECT_NAME} debug ${PROJECT_LIBRARY_DEBUG})
+  endforeach()
+  foreach (PROJECT_LIBRARY_RELEASE ${PROJECT_LIBRARIES_RELEASE})
+    target_link_libraries (${PROJECT_NAME} optimized ${PROJECT_LIBRARY_RELEASE})
+  endforeach()
+endif()
+
+# suppress deprecation warnings inside OCCT itself for old gcc versions with unavailable Standard_DISABLE_DEPRECATION_WARNINGS
+if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6.0)
+    add_definitions("-DOCCT_NO_DEPRECATED")
+    message (STATUS "Warning: internal deprecation warnings by Standard_DEPRECATED have been disabled due to old gcc version being used")
+  endif()
+endif()
+
+# use Cotire to accelerate build via usage of precompiled headers
+if (BUILD_USE_PCH)
+  if (WIN32)
+    # prevent definition of min and max macros through inclusion of Windows.h
+    # (for cotire builds)
+    add_definitions("-DNOMINMAX")
+    # avoid warnings on deprecated names from standard C library (see strsafe.h)
+    add_definitions("-DSTRSAFE_NO_DEPRECATE")
+    # avoid "std::Equal1" warning in QANCollection_Stl.cxx in debug mode
+    # suggesting using msvc "Checked Iterators"
+    add_definitions("-D_SCL_SECURE_NO_WARNINGS")
+  endif()
+
+  # Exclude system-provided glext.h.
+  # These macros are already defined within OpenGl_GlFunctions.hxx,
+  # however we have to duplicate them here for building TKOpenGl with PCH.
+  add_definitions("-DGL_GLEXT_LEGACY")
+  add_definitions("-DGLX_GLXEXT_LEGACY")
+
+  # workaround for old gcc
+  if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
+    add_definitions("-D__STDC_CONSTANT_MACROS")
+    add_definitions("-D__STDC_FORMAT_MACROS")
+  endif()
+
+  # unity builds are not used since they do not add speed but cause conflicts
+  # in TKV3d
+  set_target_properties(${PROJECT_NAME} PROPERTIES COTIRE_ADD_UNITY_BUILD FALSE)
+
+  cotire(${PROJECT_NAME})
+endif()