diff -ruN xrdp-0.9.17-v/vnc/vnc.c xrdp-0.9.17/vnc/vnc.c
--- xrdp-0.9.17-v/vnc/vnc.c	2021-09-01 11:30:54.000000000 +1000
+++ xrdp-0.9.17/vnc/vnc.c	2021-09-06 07:22:39.680347055 +1000
@@ -1194,6 +1194,13 @@
     return error;
 }
 
+/* Trivially implement missing function */
+const char *
+rfb_get_eds_status_msg(unsigned int response_code)
+{
+    return "";
+}
+
 /**************************************************************************//**
  * Looks for a resize confirm in a framebuffer update request
  *