--- a/jdk/src/share/classes/sun/java2d/pipe/BufferedTextPipe.java	Wed Jul 05 18:09:43 2017 +0200
+++ b/jdk/src/share/classes/sun/java2d/pipe/BufferedTextPipe.java	Thu Jun 07 18:05:09 2012 -0700
@@ -32,6 +32,10 @@
 import sun.java2d.SurfaceData;
 import static sun.java2d.pipe.BufferedOpCodes.*;
 
+import javax.tools.annotation.GenerateNativeHeader;
+
+/* No native methods here, but the constants are needed in the supporting JNI code */
+@GenerateNativeHeader
 public abstract class BufferedTextPipe extends GlyphListPipe {
 
     private static final int BYTES_PER_GLYPH_IMAGE = 8;