From 149f21dc583d1705f555f35563d54b263e2afd90 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon>
Date: Mon, 18 Jan 2010 08:19:48 +0000
Subject: [PATCH] Only check for LWIP_RAND() if IGMP is used, for now

---
 src/core/init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/init.c b/src/core/init.c
index 83ed331c..944ffb54 100644
--- a/src/core/init.c
+++ b/src/core/init.c
@@ -172,8 +172,8 @@
 #if !LWIP_ETHERNET && (LWIP_ARP || PPPOE_SUPPORT)
   #error "LWIP_ETHERNET needs to be turned on for LWIP_ARP or PPPOE_SUPPORT"
 #endif
-#ifndef LWIP_RAND
-  #error "LWIP_RAND() needs to be defined to a random-function returning an u32_t random value"
+#if LWIP_IGMP && !defined(LWIP_RAND)
+  #error "When using IGMP, LWIP_RAND() needs to be defined to a random-function returning an u32_t random value"
 #endif