--- old/src/java.desktop/unix/native/libawt_xawt/awt/wsutils.h 2020-03-02 01:42:16.213568900 -0800 +++ new/src/java.desktop/unix/native/libawt_xawt/awt/wsutils.h 2020-03-02 01:42:15.792476300 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -70,6 +70,10 @@ * ******************************************************************************/ +#ifdef HEADLESS + #error This file should not be included in headless library +#endif + typedef unsigned long Pixel; /* This is the actual structure returned by the X server describing the