anchor.diff:  
        buildInputs = [ libtool pkgconfig libxml2 ];
     };
  -  
  +
     # doesn't work with srcs versioning
     libmspub = stdenv.mkDerivation rec {
        version = "0.0.6";
  
positive.code: 
       configureFlags = "--with-boost=${boost}";
  
       buildInputs = [ boost mdds pkgconfig ];  
    };
  
    fetchThirdParty = {name, md5}: fetchurl {
  
negative.code:     "--disable-kde"
      "--disable-postgresql-sdbc"
      "--with-package-format=native"
      "--with-jdk-home=${jdk}/lib/openjdk"
      "--with-ant-home=${ant}/lib/ant"
      "--without-afms"
      "--without-fonts"
  