Modified kaffe to use external fastjar if available.

java/kaffe/kaffe.conf

@@ -23,6 +23,12 @@ if ! pkginstalled gtk+; then
 	var_append extraconfopt ' ' '--disable-gtk-peer'
 fi
 
+# Only build internal fastjar if no external one exists.
+if pkginstalled fastjar; then
+	var_append extraconfopt ' ' '--disable-fastjar'
+else
+	var_append extraconfopt ' ' '--with-fastjar'
+fi
+
 var_append extraconfopt ' ' '--with-system-zlib'
-var_append extraconfopt ' ' '--with-fastjar'
 var_append extraconfopt ' ' '--enable-jvmpi'