From cd0044986326900580f5e932c11e4ae5de989da0 Mon Sep 17 00:00:00 2001
From: Gunar Schorcht <gunar@schorcht.net>
Date: Sun, 10 Mar 2019 12:47:31 +0100
Subject: [PATCH] pkg/lwip: include log.h if module log is used

If module log is used, log.h should be included. Otherwise, it might lead to compilation problems since LOG_ERROR macro isn't know in expansion of LWIP_PLATFORM_ASSERT macro.
---
 pkg/lwip/include/arch/cc.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/lwip/include/arch/cc.h b/pkg/lwip/include/arch/cc.h
index b79ecb287e3c..2d917fac6782 100644
--- a/pkg/lwip/include/arch/cc.h
+++ b/pkg/lwip/include/arch/cc.h
@@ -29,6 +29,10 @@
 #include "byteorder.h"
 #include "mutex.h"
 
+#ifdef MODULE_LOG
+#include "log.h"
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif