anchor.diff:        releaseTools.nixBuild {
           name = "webdsl-java";
           src = tarball;
  -        buildInputs = [
  -          pkgconfig strategoPackages.aterm strategoPackages.sdf
  -          strategoPackages.strategoxt strategoPackages.javafront
  -          ecj apacheAnt strcJava which fastjar jdk];
  +        buildInputs = [pkgconfig ecj apacheAnt strcJava which fastjar jdk] ++ strPkgs;
   
           configureFlags = ["--enable-java-backend"] ;
   
  
positive.code:         inherit officialRelease;
          buildInputs = [
            pkgconfig 
            strategoPackages.aterm 
            strategoPackages.sdf
            strategoPackages.strategoxt 
            strategoPackages.javafront 
            libtool_1_5 
            automake110x 
            autoconf
            ant 
          ];
        };
  
  
  
negative.code:         name = "webdsl";
          src = tarball;
          buildInputs = [
            pkgconfig 
          ] ++ strPkgs ++ lib.optional stdenv.isLinux apacheAnt;
          
          doCheck = if stdenv.isLinux then true else false;
        };
  