anchor.diff:    };
   
     freecad = callPackage ../applications/graphics/freecad {
  +    boost = boost156;
       opencascade = opencascade_6_5;
       inherit (pythonPackages) matplotlib pycollada;
     };
  
positive.code: 
    cksfv = callPackage ../tools/networking/cksfv { };
  
    clementine = callPackage ../applications/audio/clementine { };
  
    ciopfs = callPackage ../tools/filesystems/ciopfs { };
  
  
negative.code:   mariadb = callPackage ../servers/sql/mariadb {};
  
    mongodb = callPackage ../servers/nosql/mongodb {
      boost = boost156;
      sasl = cyrus_sasl;
    };
  
  