--- a/jdk/src/share/classes/sun/awt/CharsetString.java	Wed Jul 05 18:09:43 2017 +0200
+++ b/jdk/src/share/classes/sun/awt/CharsetString.java	Thu Jun 07 18:05:09 2012 -0700
@@ -24,6 +24,10 @@
  */
 package sun.awt;
 
+import javax.tools.annotation.GenerateNativeHeader;
+
+/* No native methods here, but the constants are needed in the supporting JNI code */
+@GenerateNativeHeader
 public class CharsetString {
     /**
      * chars for this string.  See also offset, length.