anchor.diff:    pname = "libhandy";
     version = "0.0.13";
   
  -  outputs = [ "out" "dev" "devdoc" "glade" ];
  +  outputs = [ "out" "dev" "devdoc" ];
     outputBin = "dev";
   
     src = fetchFromGitLab {
  
positive.code:     sha256 = "1y23k623sjkldfrdiwfarpchg5mg58smcy1pkgnwfwca15wm1ra5";
    };
  
    patches = [
      # Fix build with Glade 3.36.0
      # https://source.puri.sm/Librem5/libhandy/merge_requests/451
      (fetchpatch {
        url = "https://source.puri.sm/Librem5/libhandy/commit/887beedb467984ab5c7b91830181645fadef7849.patch";
        sha256 = "0qgh4i0l1028qxqmig4x2c10yj5s80skl70qnc5wnp71s45alvk5";
        excludes = [ "glade/glade-hdy-header-bar.c" ];
      })
    ];
  
    nativeBuildInputs = [
      meson ninja pkgconfig gobject-introspection vala libxml2
      gtk-doc docbook_xsl docbook_xml_dtd_43
    ];
    buildInputs = [ gnome3.gnome-desktop gtk3 glade libxml2 ];
    checkInputs = [ dbus xvfb_run hicolor-icon-theme ];
  
    mesonFlags = [
      "-Dgtk_doc=true"
      "-Dglade_catalog=enabled"
      "-Dintrospection=enabled"
    ];
  
    PKG_CONFIG_GLADEUI_2_0_MODULEDIR = "${placeholder "glade"}/lib/glade/modules";
    PKG_CONFIG_GLADEUI_2_0_CATALOGDIR = "${placeholder "glade"}/share/glade/catalogs";
  
    doCheck = true;
  
  
negative.code: { stdenv, fetchFromGitLab, meson, ninja, pkgconfig, gobject-introspection, vala
  , gtk-doc, docbook_xsl, docbook_xml_dtd_43
  , gtk3, gnome3
  , dbus, xvfb_run, libxml2
  , hicolor-icon-theme
  }:
  