--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/Xenomai/plc_Xenomai_noretain.c	Fri Mar 13 22:36:52 2015 +0100
@@ -0,0 +1,20 @@
+int CheckRetainBuffer(void)
+{
+	return 1;
+}
+
+void ValidateRetainBuffer(void)
+{
+}
+
+void InValidateRetainBuffer(void)
+{
+}
+
+void Retain(unsigned int offset, unsigned int count, void *p)
+{
+}
+
+void Remind(unsigned int offset, unsigned int count, void *p)
+{
+}