From 253ffc3715c141741873d6141dd420a2c7bd1438 Mon Sep 17 00:00:00 2001
From: Martin Oberhuber < martin.oberhuber@windriver.com>
Date: Fri, 7 Aug 2009 11:41:35 +0000
Subject: [PATCH] [releng] avoid re-build is mapfile not changed

---
 releng/org.eclipse.rse.build/bin/doit_irsbuild.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/releng/org.eclipse.rse.build/bin/doit_irsbuild.sh b/releng/org.eclipse.rse.build/bin/doit_irsbuild.sh
index 5e71425314a..e0e635de338 100755
--- a/releng/org.eclipse.rse.build/bin/doit_irsbuild.sh
+++ b/releng/org.eclipse.rse.build/bin/doit_irsbuild.sh
@@ -66,6 +66,12 @@ fi
 echo "Updating builder from CVS..."
 cd org.eclipse.rse.build
 stamp=`date +'%Y%m%d-%H%M'`
+CHANGES=`cvs -nq update -r ${mapTag} | head -1`
+if [ "${CHANGES}" = "" ]; then
+  echo "Build ${buildType}${buildId} : ${mapTag} : ${stamp}"
+  echo "Build canceled, no mapfile or config changed in org.eclipse.rse.build."
+  exit 0
+fi
 log=$HOME/ws2/log-${buildType}$stamp.txt
 touch $log
 #cvs -q update -RPd >> $log 2>&1