--- a/targets/Xenomai/plc_Xenomai_noretain.c	Wed Jul 05 13:03:58 2017 +0300
+++ b/targets/Xenomai/plc_Xenomai_noretain.c	Wed Jul 05 13:11:45 2017 +0300
@@ -18,3 +18,11 @@
 void Remind(unsigned int offset, unsigned int count, void *p)
 {
 }
+
+void CleanupRetain(void)
+{
+}
+
+void InitRetain(void)
+{
+}