--- ./build/build.xml.orig	Sun Mar 25 22:55:20 2007
+++ ./build/build.xml	Sun Mar 25 22:58:57 2007
@@ -43,6 +43,35 @@
    -->
 
   <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.ant16.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>