diff -r cceb9aacf4a6 -r 3417bbc4ad2f Kbuild.in
--- a/Kbuild.in	Thu Mar 03 09:05:40 2011 +0100
+++ b/Kbuild.in	Wed Mar 16 22:12:23 2011 +0100
@@ -35,4 +35,8 @@
 	obj-m += tty/
 endif
 
+ifeq (@ENABLE_RTDM@,1)
+	obj-m += rtdm/
+endif
+
 #------------------------------------------------------------------------------