anchor.diff:      maintainers = [ maintainers.AndersonTorres ];
     };
   }
  +
  +# TODO: investigate support for WEBP (its autodetection is failing)
  
positive.code:     sha256 = "1i3dw1yagsa3rs9x2na2ynqlgmbahayws0kz4vl00fla6550nns3";
    };
  
    buildInputs = [ pkgconfig libX11 libXft libXmu ];
  
    meta = with stdenv.lib; {
      homepage = http://windowmaker.org/;
  
negative.code: { stdenv, fetchurl, pkgconfig
  , libX11, libXext, libXft, libXmu, libXinerama, libXrandr, libXpm
  , imagemagick, libpng, libjpeg, libexif, libtiff, libungif, libwebp }:
  
  stdenv.mkDerivation rec {
    name = "windowmaker-${version}";
  