anchor.diff:  { stdenv
   , fetchurl
  +, lib
   
   , boost
   , librevenge
  
positive.code: }:
  
  stdenv.mkDerivation rec {
    name = "libwps-0.4.5";
  
    src = fetchurl {
      url = "mirror://sourceforge/libwps/libwps/${name}/${name}.tar.xz";
      sha256 = "8e175ab9339d447a285a1533bfdc405432b9a275e4f3a98690ffaf12fe7f4d4a";
    };
  
    buildInputs = [
  
negative.code:     zlib
    ];
  
    meta = with lib; {
      inherit version;
      description = "Microsoft Works file word processor format import filter library";
      homepage = http://libwps.sourceforge.net/;
      license = licenses.lgpl21;
      maintainers = with maintainers; [
        wkennington
  