anchor.diff:  
     tcltls = callPackage ../development/libraries/tcltls { };
   
  +  ctdb = callPackage ../development/libraries/ctdb { };
  +
  +  ntdb = callPackage ../development/libraries/ntdb {
  +    python = python2;
  +  };
  +
     tdb = callPackage ../development/libraries/tdb {
  -    sasl = cyrus_sasl;
  -    libgcrypt = libgcrypt_1_6;
  +    python = python2;
     };
   
     tecla = callPackage ../development/libraries/tecla { };
  
positive.code:   lcms2 = callPackage ../development/libraries/lcms2 { };
  
    ldb = callPackage ../development/libraries/ldb {
      sasl = cyrus_sasl;
      libgcrypt = libgcrypt_1_6;
    };
  
    lensfun = callPackage ../development/libraries/lensfun { };
  
negative.code:   taglib_extras = callPackage ../development/libraries/taglib-extras { };
  
    talloc = callPackage ../development/libraries/talloc {
      python = python2;
    };
  
    tclap = callPackage ../development/libraries/tclap {};
  