--- neo/sys/posix/posix_net.cpp	2016-06-19 01:48:20.000000000 +0200
+++ new/sys/posix/posix_net.cpp	2016-08-17 18:20:27.634588999 +0200
@@ -49,6 +49,15 @@
 
 #include "sys/posix/posix_public.h"
 
+#if !defined(TEMP_FAILURE_RETRY)
+#define TEMP_FAILURE_RETRY(expression) \
+  (__extension__                                                              \
+    ({ long int __result;                                                     \
+       do __result = (long int) (expression);                                 \
+       while (__result == -1L && errno == EINTR);                             \
+       __result; }))
+#endif
+
 idPort clientPort, serverPort;
 
 idCVar net_ip( "net_ip", "localhost", CVAR_SYSTEM, "local IP address" );