--- a/lib/ivykis/modules/iv_event_raw.c 2012-01-29 13:15:33.000000000 +0100
+++ b/lib/ivykis/modules/iv_event_raw.c 2012-04-30 16:01:17.480317290 +0200
@@ -37,6 +37,8 @@
 #endif
 #endif
 
+#include <sys/eventfd.h>
+
 #ifndef EFD_NONBLOCK
 #define EFD_NONBLOCK   04000
 #endif