Merge -c 1245867 from trunk to branch-0.23.1 to fix MAPREDUCE-3880. Changed LCE binary to be 32-bit.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23.1@1245869 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -757,6 +757,8 @@ Release 0.23.1 - 2012-02-17
     urls when mutiple jobs are submitted from same client jvm. (Eric Payne via 
     sseth)
 
+    MAPREDUCE-3880. Changed LCE binary to be 32-bit. (acmurthy)
+
 Release 0.23.0 - 2011-11-01 
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml

@@ -74,7 +74,7 @@
               <configureEnvironment>
                 <property>
                   <name>CFLAGS</name>
-                  <value>-DHADOOP_CONF_DIR=${container-executor.conf.dir}</value>
+                  <value>-DHADOOP_CONF_DIR=${container-executor.conf.dir} -m32</value>
                 </property>
               </configureEnvironment>
               <configureWorkDir>${project.build.directory}/native/container-executor</configureWorkDir>