From 2639888a3320a102f1ff35a73df1ca42768ac76c Mon Sep 17 00:00:00 2001
From: dt <qtc-committer@nokia.com>
Date: Thu, 24 Mar 2011 19:45:19 +0100
Subject: [PATCH] QmakeStep: Warn once for missing toolchains

---
 src/plugins/qt4projectmanager/makestep.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/plugins/qt4projectmanager/makestep.cpp b/src/plugins/qt4projectmanager/makestep.cpp
index f319d2a10f9..319a938a739 100644
--- a/src/plugins/qt4projectmanager/makestep.cpp
+++ b/src/plugins/qt4projectmanager/makestep.cpp
@@ -131,6 +131,7 @@ bool MakeStep::init()
 {
     Qt4BuildConfiguration *bc = qt4BuildConfiguration();
 
+    m_tasks.clear();
     if (!bc->toolChain()) {
         m_tasks.append(ProjectExplorer::Task(ProjectExplorer::Task::Error,
                                              tr("Qt Creator needs a tool chain set up to build. Please configure a tool chain in Project mode."),