--- mono/mini/main.c	2016-10-28 19:35:02.988284497 +0200
+++ mono/mini/main.c	2016-10-28 19:36:00.413593252 +0200
@@ -15,6 +15,8 @@
 #  endif
 #endif
 
+const char *mono_build_date;
+
 /*
  * If the MONO_ENV_OPTIONS environment variable is set, it uses this as a
  * source of command line arguments that are passed to Mono before the
