--- platforms/unix/plugins/AsynchFilePlugin/sqUnixAsynchFile.c.orig	Sat Sep 10 11:36:52 2016
+++ platforms/unix/plugins/AsynchFilePlugin/sqUnixAsynchFile.c	Sat Sep 10 11:37:15 2016
@@ -71,6 +71,7 @@
 #include "sqVirtualMachine.h"
 #include "sqaio.h"
 
+#include <sys/select.h> /* fd_set */
 #include <sys/types.h>
 #include <unistd.h>
 #include <time.h>
