--- build.xml.orig	2015-06-30 21:07:56.621000000 +0000
+++ build.xml	2015-06-30 21:10:19.060000000 +0000
@@ -99,6 +99,7 @@
             <classpath>
                 <pathelement path="${output.generator_classes}"/>
             </classpath>
+            <sysproperty key="java.io.tmpdir" value="${output.tmp}" />
         </java>
     </target>
     
@@ -339,6 +340,7 @@
         <mkdir dir="${output.generated}/gnu"/>
         <mkdir dir="${output.generated}/gnu/trove"/>
         <mkdir dir="${output.lib}"/>
+        <mkdir dir="${output.tmp}"/>
         <mkdir dir="${dist.root}"/>
     </target>
 
@@ -442,4 +444,4 @@
             <format property="fullVersion" pattern="'build time' yyMMddHHmmss"/>
         </tstamp>
     </target>
-</project>
\ No newline at end of file
+</project>