anchor.diff:      docbook_xml_dtd_43
       gobject-introspection
       python3
  +    python3.pkgs.pygobject3
     ];
   
     buildInputs = [
  
positive.code:   postPatch = ''
      chmod +x meson/meson_post_install.py
      patchShebangs meson/meson_post_install.py
    '';
  
    passthru = {
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "libgweather";
    version = "40.0";
  
    outputs = [ "out" "dev" "devdoc" ];
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "1rkf4yv43qcahyx7bismdv6z2vh5azdnm1fqfmnzrada9cm8ykna";
    };
  
    nativeBuildInputs = [
  