--- apache-ant-1.6.5/src/main/org/apache/tools/ant/util/JavaEnvUtils.java.original	2005-10-31 15:05:55.000000000 -0500
+++ apache-ant-1.6.5/src/main/org/apache/tools/ant/util/JavaEnvUtils.java	2005-10-31 15:11:31.000000000 -0500
@@ -104,7 +104,7 @@
         }
         kaffeDetected = false;
         try {
-            Class.forName("kaffe.util.NotImplemented");
+            Class.forName("gnu.classpath.Configuration");
             kaffeDetected = true;
         } catch (Throwable t) {
             // swallow as this simply doesn't seem to be Kaffe
--- apache-ant-1.6.5/src/main/org/apache/tools/ant/taskdefs/optional/javah/Kaffeh.java.original	2005-10-31 15:06:34.000000000 -0500
+++ apache-ant-1.6.5/src/main/org/apache/tools/ant/taskdefs/optional/javah/Kaffeh.java	2005-10-31 15:08:13.000000000 -0500
@@ -52,7 +52,7 @@
 
     private Commandline setupKaffehCommand(Javah javah) {
         Commandline cmd = new Commandline();
-        cmd.setExecutable(JavaEnvUtils.getJdkExecutable("kaffeh"));
+        cmd.setExecutable(JavaEnvUtils.getJdkExecutable("javah"));
 
         if (javah.getDestdir() != null) {
             cmd.createArgument().setValue("-d");