rec {
   version="10.4.1";
   name="ecl-10.4.1";
   hash="0v1wqvvi2zvvmymsgxz7yvqbxf8py6kxani2f4i3bjkayblcypah";
   url="http://downloads.sourceforge.net/project/ecls/ecls/10.4/ecl-${version}.tar.gz";
   advertisedUrl="http://downloads.sourceforge.net/project/ecls/ecls/10.4/ecl-10.4.1.tar.gz";
  
  
}