--- a/jdk/src/share/classes/sun/awt/EmbeddedFrame.java	Wed Jul 05 18:09:43 2017 +0200
+++ b/jdk/src/share/classes/sun/awt/EmbeddedFrame.java	Thu Jun 07 18:05:09 2012 -0700
@@ -40,6 +40,7 @@
 import java.util.Set;
 import java.awt.AWTKeyStroke;
 import java.applet.Applet;
+import javax.tools.annotation.GenerateNativeHeader;
 import sun.applet.AppletPanel;
 
 /**
@@ -59,6 +60,8 @@
  *
  * @author      Thomas Ball
  */
+/* No native methods here, but the constants are needed in the supporting JNI code */
+@GenerateNativeHeader
 public abstract class EmbeddedFrame extends Frame
                           implements KeyEventDispatcher, PropertyChangeListener {