anchor.diff:      pkg-config
       dbus
       gobject-introspection
  +    gtk-doc
  +    docbook-xsl-nons
     ];
   
     buildInputs = [
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "amtk";
    version = "5.3.1";
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
      sha256 = "12v3nj1bb7507ndprjggq0hpz8k719b4bwvl8sm43p3ibmn27anm";
    };
  
    nativeBuildInputs = [
  
negative.code: { stdenv
  , lib
  , fetchurl
  , gtk3
  , meson
  , ninja
  , pkg-config
  , gobject-introspection
  , gtk-doc
  , docbook-xsl-nons
  , gnome
  , dbus
  , xvfb-run
  