anchor.diff:      popd
     '';
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       maintainers = with maintainers; [
         wkennington
       ];
  
positive.code: , zlib
  }:
  
  stdenv.mkDerivation rec {
    name = "wxWidgets-${version}";
    version = "3.1.0";
  
    src = fetchurl {
      url = "https://github.com/wxWidgets/wxWidgets/releases/download/v${version}/${name}.tar.bz2";
  
negative.code: { stdenv
  , fetchurl
  , lib
  
  , cairo
  , gconf
  