anchor.diff:    doCheck = false;
     checkTarget = "test";
   
  +  libraries = stdenv.lib.makeLibraryPath [ gtk curl ];
  +
     installPhase = ''
       mkdir -p $out/bin
       for exe in *.exe; do
         install -m 0644 $exe $out/bin
         makeWrapper ${mono}/bin/mono $out/bin/$(basename $exe .exe) \
           --add-flags $out/bin/$exe \
  -        --set LD_LIBRARY_PATH ${gtk.out}/lib
  +        --set LD_LIBRARY_PATH $libraries
       done
     '';
   
  
positive.code:     sha256 = "0lfvl8w09lakz35szp5grfvhq8xx486f5igvj1m6azsql4n929lg";
    };
  
    buildInputs = [ makeWrapper perl mono gtk ];
  
    postPatch = ''
      substituteInPlace bin/build \
  
negative.code: { stdenv, fetchFromGitHub, makeWrapper, perl, mono, gtk, curl }:
  
  stdenv.mkDerivation rec {
    name = "ckan-${version}";
  