anchor.diff: -{ fetchurl, stdenv, perl, python, zip, xmlto, zlib }:
  +{ fetchurl, stdenv, perl, python2, zip, xmlto, zlib }:
   
   stdenv.mkDerivation rec {
     name = "zziplib-0.13.58";
  
positive.code:     sed -i -e s,--export-dynamic,, configure
    '';
  
    buildInputs = [ perl python zip xmlto zlib ];
  
    doCheck = true;
  
  
negative.code:     homepage = http://zziplib.sourceforge.net/;
  
      maintainers = [ ];
      platforms = python2.meta.platforms;
    };
  }
  