--- ./build/build.xml.orig	Sun Mar 25 21:29:21 2007
+++ ./build/build.xml	Sun Mar 25 21:30:56 2007
@@ -40,6 +40,36 @@
    -->
 
   <target name="init" unless="init.disable" depends="_buildmagic:init">
+      <!-- Make sure we have the right version of Ant -->
+      <property name="buildmagic.ant15.baseversion" value="1.5"/>
+      <property name="buildmagic.ant16.baseversion" value="1.6"/>
+      <property name="buildmagic.ant17.baseversion" value="1.7"/>
+      <!--
+        | Add new conditions for other supported Ant versions when they
+        | become avaialble.
+       -->
+
+      <condition property="buildmagic.ant.compatible">
+      <or>
+         <contains string="${ant.version}"
+            substring="Ant version ${buildmagic.ant15.baseversion}"/>
+         <contains string="${ant.version}"
+            substring="Ant version ${buildmagic.ant16.baseversion}"/>
+         <contains string="${ant.version}"
+            substring="Ant version ${buildmagic.ant17.baseversion}"/>
+      </or>
+      </condition>
+
+      <fail unless="buildmagic.ant.compatible">
+
+       Unsupported Ant version:
+
+       ${ant.version}
+
+       Please install a version which is compatible with Ant ${buildmagic.ant15.baseversion} or ${buildmagic.ant16.baseversion}
+       or ${buildmagic.ant17.baseversion}.
+
+      </fail>
   </target>