From 9e2f44b3c20a07c8200fa87fc5209c5fc83d0509 Mon Sep 17 00:00:00 2001
From: Thomas Schaub <t.schaub@gmx.de>
Date: Fri, 11 Oct 2019 05:52:31 +0200
Subject: [PATCH] lwip: add missing source file

Merges https://github.com/espressif/esp-idf/pull/4186
---
 components/lwip/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/lwip/CMakeLists.txt b/components/lwip/CMakeLists.txt
index 66ebac541..7d346127f 100644
--- a/components/lwip/CMakeLists.txt
+++ b/components/lwip/CMakeLists.txt
@@ -15,6 +15,7 @@ set(srcs
     "lwip/src/api/api_lib.c"
     "lwip/src/api/api_msg.c"
     "lwip/src/api/err.c"
+    "lwip/src/api/if_api.c"
     "lwip/src/api/netbuf.c"
     "lwip/src/api/netdb.c"
     "lwip/src/api/netifapi.c"