From 467a7980f0852faae9bf9e36e97c3fbc8be124a0 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sat, 31 Mar 2018 09:27:52 -0600
Subject: [PATCH] apps/nshlib/:  In netcommds.c, the UNUSED() macro may be
 applied to an undefined symbol when IPv6 is enabled but IPv4 is not.

---
 nshlib/nsh_netcmds.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nshlib/nsh_netcmds.c b/nshlib/nsh_netcmds.c
index 781c7df23..b21c9104a 100644
--- a/nshlib/nsh_netcmds.c
+++ b/nshlib/nsh_netcmds.c
@@ -947,6 +947,8 @@ int cmd_ifconfig(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
   UNUSED(hostip);
   UNUSED(mask);
   UNUSED(gwip);
+#endif
+#ifdef CONFIG_NET_IPv4
   UNUSED(gip);
 #endif