diff --git a/CMakeLists.txt b/CMakeLists.txt
index 637908da53..9764d2b746 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,9 +47,6 @@ if (OCCT_ALGO_EXTENDED_OUTPUT_DESCR)
   add_definitions (-DOCCT_DEBUG)
 endif()
 
-# Rebuild *.yacc and *.lex files
-set (REBUILD_PLATFORM_DEPENDENT_CODE OFF CACHE BOOL "${REBUILD_PLATFORM_DEPENDENT_CODE_DESCR}")
-
 # copy samples to install directory
 set (INSTALL_OCCT_SAMPLES OFF CACHE BOOL "${INSTALL_OCCT_SAMPLES_DESCR}")
 
@@ -72,15 +69,8 @@ if (APPLE)
   set (USE_GLX OFF CACHE BOOL "${USE_GLX_DESCR}")
 endif()
 
-set (USE_FREEIMAGE OFF CACHE BOOL "${USE_FREEIMAGE_DESCR}")
 set (USE_VTK OFF CACHE BOOL "${USE_VTK_DESCR}")
 
-if (NOT DEFINED ANDROID)
-  set (USE_GL2PS OFF CACHE BOOL "${USE_GL2PS_DESCR}")
-  set (USE_TBB OFF CACHE BOOL "${USE_TBB_DESCR}")
-  #set (USE_OPENCL OFF CACHE BOOL "Is OpenCL used or not")
-endif()
-
 # include occt macros
 OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/occt_macros")
 
@@ -132,6 +122,16 @@ OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/occt_defs_flags")
 
 OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/3rdparty_macro")
 
+# Rebuild *.yacc and *.lex files that are contained by TKMath toolkit
+list (FIND BUILD_TOOLKITS TKMath   CAN_REBUILD_PDC_FOR_TKMATH)
+list (FIND BUILD_TOOLKITS StepFile CAN_REBUILD_PDC_FOR_STEPFILE)
+
+if (NOT "${CAN_REBUILD_PDC_FOR_TKMATH}" STREQUAL "-1" OR NOT "${CAN_REBUILD_PDC_FOR_STEPFILE}" STREQUAL "-1")
+  set (REBUILD_PLATFORM_DEPENDENT_CODE OFF CACHE BOOL "${REBUILD_PLATFORM_DEPENDENT_CODE_DESCR}")
+else()
+  OCCT_CHECK_AND_UNSET (REBUILD_PLATFORM_DEPENDENT_CODE)
+endif()
+
 if (NOT DEFINED 3RDPARTY_DIR)
   set (3RDPARTY_DIR "" CACHE PATH ${3RDPARTY_DIR_DESCR})
 endif()
@@ -151,23 +151,26 @@ endif()
 OCCT_IS_PRODUCT_REQUIRED (CSF_TclLibs USE_TCL)
 
 if ("${USE_TCL}" STREQUAL ON)
-  message (STATUS "Info: tcl is used by OCCT")
+  message (STATUS "Info: TCL is used by OCCT")
   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/tcl")
 else()
   OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_TCL")
   OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_TK")
+
+  OCCT_CHECK_AND_UNSET ("INSTALL_TCL")
 endif()
 
 # search for CSF_FREETYPE variable in EXTERNLIB of each being used toolkit
 OCCT_IS_PRODUCT_REQUIRED (CSF_FREETYPE USE_FREETYPE)
 
 if ("${USE_FREETYPE}" STREQUAL ON)
-  message (STATUS "Info: freetype is used by OCCT")
+  message (STATUS "Info: Freetype is used by OCCT")
   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/freetype")
 else()
   OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_FREETYPE")
   OCCT_CHECK_AND_UNSET ("3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2")
   OCCT_CHECK_AND_UNSET ("3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build")
+  OCCT_CHECK_AND_UNSET ("INSTALL_FREETYPE")
 endif()
 
 # VTK
@@ -186,11 +189,26 @@ if (USE_GLX)
 endif()
 
 # FREEIMAGE
-if (USE_FREEIMAGE)
-  add_definitions (-DHAVE_FREEIMAGE)
-  OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/freeimage")
-  OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/freeimageplus")
+# search for CSF_FREEIMAGE variable in EXTERNLIB of each being used toolkit
+OCCT_IS_PRODUCT_REQUIRED (CSF_FREEIMAGE     CAN_USE_FREEIMAGE)
+OCCT_IS_PRODUCT_REQUIRED (CSF_FreeImagePlus CAN_USE_FREEIMAGEPLUS)
+
+if (CAN_USE_FREEIMAGE OR CAN_USE_FREEIMAGEPLUS)
+  set (USE_FREEIMAGE OFF CACHE BOOL "${USE_FREEIMAGE_DESCR}")
+
+  if (USE_FREEIMAGE)
+    add_definitions (-DHAVE_FREEIMAGE)
+    OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/freeimage")
+    OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/freeimageplus")
+  else()
+    OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_FREEIMAGE")
+    OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_FREEIMAGEPLUS")
+    OCCT_CHECK_AND_UNSET ("INSTALL_FREEIMAGE")
+    OCCT_CHECK_AND_UNSET ("INSTALL_FREEIMAGEPLUS")
+  endif()
 else()
+  OCCT_CHECK_AND_UNSET ("USE_FREEIMAGE")
+
   OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_FREEIMAGE")
   OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_FREEIMAGEPLUS")
   OCCT_CHECK_AND_UNSET ("INSTALL_FREEIMAGE")
@@ -198,30 +216,44 @@ else()
 endif()
 
 # GL2PS
-if (USE_GL2PS)
-  add_definitions (-DHAVE_GL2PS)
-  OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/gl2ps")
+# search for CSF_GL2PS variable in EXTERNLIB of each being used toolkit
+OCCT_IS_PRODUCT_REQUIRED (CSF_GL2PS CAN_USE_GL2PS)
+
+if (NOT DEFINED ANDROID AND CAN_USE_GL2PS)
+  set (USE_GL2PS OFF CACHE BOOL "${USE_GL2PS_DESCR}")
+
+  if (USE_GL2PS)
+    add_definitions (-DHAVE_GL2PS)
+    OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/gl2ps")
+  else()
+    OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_GL2PS")
+    OCCT_CHECK_AND_UNSET ("INSTALL_GL2PS")
+  endif()
 else()
+  OCCT_CHECK_AND_UNSET ("USE_GL2PS")
+
   OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_GL2PS")
   OCCT_CHECK_AND_UNSET ("INSTALL_GL2PS")
 endif()
 
-# OPENCL
-#if (USE_OPENCL)
-#  add_definitions (-DHAVE_OPENCL)
-#  OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/opencl")
-#else()
-#  OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_OPENCL")
-#  OCCT_CHECK_AND_UNSET ("3RDPARTY_OPENCL_ADDITIONAL_PATH_FOR_HEADER")
-#  OCCT_CHECK_AND_UNSET ("3RDPARTY_OPENCL_ADDITIONAL_PATH_FOR_LIB")
-#  OCCT_CHECK_AND_UNSET ("INSTALL_OPENCL")
-#endif()
-
 # TBB
-if (USE_TBB)
-  add_definitions (-DHAVE_TBB)
-  OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/tbb")
+# search for CSF_TBB variable in EXTERNLIB of each being used toolkit
+OCCT_IS_PRODUCT_REQUIRED (CSF_TBB CAN_USE_TBB)
+
+if (NOT DEFINED ANDROID AND CAN_USE_TBB)
+  set (USE_TBB OFF CACHE BOOL "${USE_TBB_DESCR}")
+
+  if (USE_TBB)
+    add_definitions (-DHAVE_TBB)
+    OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/tbb")
+  else()
+    OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_TBB")
+    OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_TBBMALLOC")
+    OCCT_CHECK_AND_UNSET ("INSTALL_TBB")
+  endif()
 else()
+  OCCT_CHECK_AND_UNSET ("USE_TBB")
+
   OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_TBB")
   OCCT_CHECK_AND_UNSET_GROUP ("3RDPARTY_TBBMALLOC")
   OCCT_CHECK_AND_UNSET ("INSTALL_TBB")