From 174c3889a88653368bd314609680602dcd480217 Mon Sep 17 00:00:00 2001
From: Brian Swetland <swetland@playground.global>
Date: Tue, 30 Jun 2015 17:04:42 -0700
Subject: [PATCH] [lib][lwip] allow targets to override lwip configuration

LWIP has a lot of knobs and creating a generic configuration that works
everywhere (or even most places) is hard.  So if you add WITH_TARGET_LWIPOPTS
to the configuration, pull options from <target/lwipopts.h> instead of
the defaults in lib/lwip/include/lwipopts.h
---
 lib/lwip/include/lwipopts.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/lwip/include/lwipopts.h b/lib/lwip/include/lwipopts.h
index ddea5208..b1b16d14 100644
--- a/lib/lwip/include/lwipopts.h
+++ b/lib/lwip/include/lwipopts.h
@@ -5,6 +5,10 @@
 #include <malloc.h>
 #include <kernel/thread.h>
 
+#ifdef WITH_TARGET_LWIPOPTS
+#include <target/lwipopts.h>
+#else
+
 // use lk's libc malloc
 #define MEM_LIBC_MALLOC 1
 
@@ -52,4 +56,5 @@
 #define LWIP_STATS_DISPLAY 0
 
 #endif
+#endif