From 972f32dd474c7863489ac1ebbe037d659591b0d1 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon@gmx.de>
Date: Wed, 7 Mar 2018 19:58:09 +0100
Subject: [PATCH] zepif: fix compiling with IPv4 disabled

---
 src/netif/zepif.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/netif/zepif.c b/src/netif/zepif.c
index bf838b35..6e6f27ac 100644
--- a/src/netif/zepif.c
+++ b/src/netif/zepif.c
@@ -237,9 +237,12 @@ zepif_init(struct netif *netif)
   if (state->init.zep_dst_udp_port == 0) {
     state->init.zep_dst_udp_port = ZEPIF_DEFAULT_UDP_PORT;
   }
+#if LWIP_IPV4
   if (state->init.zep_dst_ip_addr == NULL) {
+    /* With IPv4 enabled, default to broadcasting packets if no address is set */
     state->init.zep_dst_ip_addr = IP_ADDR_BROADCAST;
   }
+#endif /* LWIP_IPV4 */
 
   netif->state = NULL;