+  <target name="run-specs" depends="run-specs-precompiled, run-specs-compiled, run-specs-interpreted, jar">
+    <condition property="spec.status.combined.OK">
+      <and>
+        <equals arg1="${spec.status.PRECOMPILED}" arg2="0"/>
+        <equals arg1="${spec.status.COMPILED}"    arg2="0"/>
+        <equals arg1="${spec.status.INTERPRETED}" arg2="0"/>
+      </and>
+    </condition>
+    <fail message="RubySpecs FAILED" unless="spec.status.combined.OK"/>