--- IO-AIO/AIO.xs	2005/07/31 18:45:48	1.17
+++ IO-AIO/AIO.xs	2005/07/31 19:04:45	1.19
@@ -1,3 +1,8 @@
+#ifndef _REENTRANT
+# define _REENTRANT 1
+#endif
+#include <errno.h>
+
 #include "EXTERN.h"
 #include "perl.h"
 #include "XSUB.h"