From 40fecab313f1660ea0f0058743456ca212221f69 Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Thu, 4 Jan 2018 13:20:28 +0100
Subject: [PATCH] Introduce LWIP_TESTMODE #define to be able to make
 functions/variables public etc. for implementing unit tests

---
 src/include/lwip/opt.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/include/lwip/opt.h b/src/include/lwip/opt.h
index d7b2339e..930253c1 100644
--- a/src/include/lwip/opt.h
+++ b/src/include/lwip/opt.h
@@ -3217,6 +3217,13 @@
  * @}
  */
 
+/**
+ * LWIP_TESTMODE: Changes to make unit test possible
+ */
+#if !defined LWIP_TESTMODE
+#define LWIP_TESTMODE                   0
+#endif
+
 /*
    --------------------------------------------------
    ---------- Performance tracking options ----------