--- old/src/share/native/java/lang/System.c	2019-03-25 22:00:42.819149712 +0000
+++ new/src/share/native/java/lang/System.c	2019-03-25 22:00:42.651152322 +0000
@@ -108,9 +108,14 @@
         (*env)->DeleteLocalRef(env, jkey);                            \
     } else ((void) 0)
 
-#ifndef VENDOR /* Third party may overwrite this. */
+/* Third party may overwrite these values. */
+#ifndef VENDOR
 #define VENDOR "Oracle Corporation"
+#endif
+#ifndef VENDOR_URL
 #define VENDOR_URL "http://java.oracle.com/"
+#endif
+#ifndef VENDOR_URL_BUG
 #define VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/"
 #endif