--- arcam-av/arcam_av.c.orig	2015-05-13 18:42:27.594373337 +0200
+++ arcam-av/arcam_av.c	2015-05-13 18:42:38.945502875 +0200
@@ -31,6 +31,7 @@
 #include <unistd.h>
 
 #include <sys/ipc.h>
+#include <sys/select.h>
 #include <sys/shm.h>
 #include <sys/stat.h>
 #include <sys/stat.h>