--- libaitio/inc/global.h	2016/08/10 15:18:23	1.18.8.4
+++ libaitio/inc/global.h	2016/08/11 12:51:52	1.18.8.5
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: global.h,v 1.18.8.4 2016/08/10 15:18:23 misho Exp $
+* $Id: global.h,v 1.18.8.5 2016/08/11 12:51:52 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -49,6 +49,10 @@ SUCH DAMAGE.
 
 #include "config.h"
 
+#ifdef __linux__
+#define _GNU_SOURCE
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
@@ -73,6 +77,7 @@ SUCH DAMAGE.
 #include <sys/event.h>
 #include <machine/atomic.h>
 #else
+#include <libio.h>
 #include <pty.h>
 #include <stdint.h>
 #include <stdio_ext.h>