--- dummy/setserial-2.17/setserial.c-orig	2010-03-28 20:58:54.495352957 +0000
+++ dummy/setserial-2.17/setserial.c	2010-03-28 21:08:02.623800902 +0000
@@ -21,6 +21,8 @@
 #endif
 #ifdef HAVE_LINUX_HAYESESP_H
 #include <linux/hayesesp.h>
+#else
+#undef TIOCGHAYESESP
 #endif
 #include <linux/serial.h>