From 5aec43e2794305002f1d21876c6325f037fe1d2f Mon Sep 17 00:00:00 2001
From: John Abraham <john.abraham@gatech.edu>
Date: Sat, 14 May 2011 04:52:55 -0400
Subject: [PATCH] Bug 1161 - opt build flow-monitor unused variables

---
 src/flow-monitor/model/ipv4-flow-probe.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/flow-monitor/model/ipv4-flow-probe.cc b/src/flow-monitor/model/ipv4-flow-probe.cc
index b9f4159ff..d12b8d502 100644
--- a/src/flow-monitor/model/ipv4-flow-probe.cc
+++ b/src/flow-monitor/model/ipv4-flow-probe.cc
@@ -327,7 +327,9 @@ Ipv4FlowProbe::QueueDropLogger (Ptr<const Packet> ipPayload)
   bool tagFound;
   tagFound = ConstCast<Packet> (ipPayload)->RemovePacketTag (fTag);
   NS_ASSERT_MSG (tagFound, "FlowProbeTag is missing");
-
+  // cast tagFound to void, to suppress 'tagFound' set but not used compiler 
+  // warning in optimized builds
+  (void) tagFound;
   FlowId flowId = fTag.GetFlowId ();
   FlowPacketId packetId = fTag.GetPacketId ();
   uint32_t size = fTag.GetPacketSize ();