-# arpa_inet_h.m4 serial 13
-dnl Copyright (C) 2006, 2008-2016 Free Software Foundation, Inc.
+# arpa_inet_h.m4 serial 14
+dnl Copyright (C) 2006, 2008-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_REQUIRE([gl_FEATURES_H])
+ gl_PREREQ_SYS_H_WS2TCPIP
+
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use.
gl_WARN_ON_USE_PREPARE([[