From 904bcd247f3c3f752f9b05978aebf135bc5b2fbb Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Sat, 18 Apr 2015 22:25:27 +0800
Subject: [PATCH] runtime: only build liteethif if Ethernet core present

---
 soc/runtime/liblwip/netif/liteethif.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/soc/runtime/liblwip/netif/liteethif.c b/soc/runtime/liblwip/netif/liteethif.c
index d39007d6e..384c189d3 100644
--- a/soc/runtime/liblwip/netif/liteethif.c
+++ b/soc/runtime/liblwip/netif/liteethif.c
@@ -2,13 +2,16 @@
 // LiteETH lwIP port for ARTIQ
 // License: BSD
 
+#include <generated/csr.h>
+
+#ifdef CSR_ETHMAC_BASE
+
 #include <lwip/opt.h>
 #include <lwip/mem.h>
 
 #include <netif/etharp.h>
 #include "netif/liteethif.h"
 
-#include <generated/csr.h>
 #include <hw/flags.h>
 #include <hw/ethmac_mem.h>
 
@@ -132,3 +135,5 @@ err_t liteeth_init(struct netif *netif)
 
     return ERR_OK;
 }
+
+#endif /* CSR_ETHMAC_BASE */