--- a/make/jdk/src/classes/build/tools/charsetmapping/HKSCS.java	Fri Feb 01 10:38:00 2019 +0100
+++ b/make/jdk/src/classes/build/tools/charsetmapping/HKSCS.java	Fri Feb 01 10:38:57 2019 +0100
@@ -204,4 +204,8 @@
             x.printStackTrace();
         }
     }
+
+            public static void main(String args[]) throws Throwable {
+         HKSCS.genClass2001(args);
+        }
 }