diff --git a/ap/build/uClibc/librt/rt_stubs.c b/ap/build/uClibc/librt/rt_stubs.c
new file mode 100644
index 0000000..a2b84e6
--- /dev/null
+++ b/ap/build/uClibc/librt/rt_stubs.c
@@ -0,0 +1,40 @@
+/*
+ * system call not available stub
+ * based on libc's stubs.c
+ *
+ * Copyright (C) 2009 Analog Devices Inc.
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <errno.h>
+#include <sys/syscall.h>
+
+#ifdef __UCLIBC_HAS_STUBS__
+
+static int rt_enosys_stub(void) __attribute_used__;
+static int rt_enosys_stub(void)
+{
+	__set_errno(ENOSYS);
+	return -1;
+}
+
+#define make_stub(stub) \
+	link_warning(stub, #stub ": this function is not implemented") \
+	strong_alias(rt_enosys_stub, stub)
+
+#ifndef __NR_mq_timedreceive
+make_stub(mq_receive)
+# ifdef __UCLIBC_HAS_ADVANCED_REALTIME__
+make_stub(mq_timedreceive)
+# endif
+#endif
+
+#ifndef __NR_mq_timedsend
+make_stub(mq_send)
+# ifdef __UCLIBC_HAS_ADVANCED_REALTIME__
+make_stub(mq_timedsend)
+# endif
+#endif
+
+#endif