anchor.diff:      sassc
       gi-docgen
       libxml2 # for xmllint
  +    wayland-scanner
     ] ++ setupHooks;
   
     buildInputs = [
  
positive.code: , vulkan-headers
  , wayland
  , wayland-protocols
  , xineramaSupport ? stdenv.isLinux
  , cupsSupport ? stdenv.isLinux
  , cups
  
negative.code:     url = "mirror://gnome/sources/gtk/${lib.versions.majorMinor version}/gtk-${version}.tar.xz";
      sha256 = "e7/k0TVp98KX7UmDSscmPjGLe/EC0ycctGbVlx9ZrnA=";
    };
  
    depsBuildBuild = [
      pkg-config
    ];
  
    nativeBuildInputs = [
      gettext
  