diff -r 749e0ffa206f -r 40e61db323c2 src/java.desktop/share/native/libawt/awt/image/cvutils/img_colors.c
--- a/src/java.desktop/share/native/libawt/awt/image/cvutils/img_colors.c	Tue Feb 13 10:36:52 2018 +0100
+++ b/src/java.desktop/share/native/libawt/awt/image/cvutils/img_colors.c	Tue Feb 13 10:37:33 2018 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2018, 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
@@ -38,6 +38,7 @@
 
 extern JavaVM *jvm;
 #endif
+#include "img_colors.h"
 
 #define jio_fprintf fprintf
 
@@ -515,7 +516,7 @@
     }
 }
 
-void
+JNIEXPORT void
 img_makePalette(int cmapsize, int tablesize, int lookupsize,
                 float lscale, float weight,
                 int prevclrs, int doMac,