+if(${EXT_PREFIX_CLASS})
+ add_definitions(-DEXT_PREFIX_CLASS=${EXT_PREFIX_CLASS})
+endif(${EXT_PREFIX_CLASS})
+
+if(${EXT_CER_ID})
+ add_definitions(-DEXT_CER_ID=${EXT_CER_ID})
+endif(${EXT_CER_ID})
+
+if(${EXT_S46})
+ add_definitions(-DEXT_S46=${EXT_S46})
+endif(${EXT_S46})
+