anchor.diff:            subversion
             automake
             autoconf
  -          apacheAntOpenJDK 
  +          ant 
           ] ++ strPkgs pkgs ;
         };
   
  
positive.code:       releaseTools.nixBuild rec {
          name = "webdsl-java";
          src = tarball;
          buildInputs = [pkgconfig cpio ecj apacheAntOpenJDK strcJava which fastjar openjdk] ++ strPkgs pkgs;
  
          configureFlags = ["--enable-java-backend"] ;
  
  
negative.code:           pkgconfig 
            cpio
          ] ++ strPkgs pkgs 
            ++ lib.optional stdenv.isLinux ant
            ++ lib.optional stdenv.isDarwin antDarwinNative
            ;
  
  