diff -r e723c1dd6faa -r ff7cfce737ca targets/Xenomai/plc_Xenomai_main.c_noretain
--- a/targets/Xenomai/plc_Xenomai_main.c_noretain	Fri Mar 13 17:19:58 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,20 +0,0 @@
-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)
-{
-}