Add HB_NO_BEYOND_64K
diff --git a/src/hb-config.hh b/src/hb-config.hh
index 2578231..509768e 100644
--- a/src/hb-config.hh
+++ b/src/hb-config.hh
@@ -98,6 +98,10 @@
 
 /* Closure of options. */
 
+#ifdef HB_NO_BORING_EXPANSION
+#define HB_NO_BEYOND_64K
+#endif
+
 #ifdef HB_DISABLE_DEPRECATED
 #define HB_IF_NOT_DEPRECATED(x)
 #else