--- old/src/java.desktop/unix/native/common/awt/awt_Font.c	2018-09-30 07:52:55.487000000 +0530
+++ new/src/java.desktop/unix/native/common/awt/awt_Font.c	2018-09-30 07:52:55.247000000 +0530
@@ -49,6 +49,7 @@
 
 static void pDataDisposeMethod(JNIEnv *env, jlong pData);
 
+#define FONT_DEBUG 0 //explicitly define to avoid compiler error.
 /* #define FONT_DEBUG 2 */
 /* 1- print failures, 2- print all, 3- terminate on failure */
 #if FONT_DEBUG