anchor.diff:      libxslt
       docbook-xsl-nons
       docbook_xml_dtd_43
  -  ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
  +  ] ++ lib.optionals stdenv.isDarwin [
  +    fixDarwinDylibNames
  +  ] ++ lib.optionals withIntrospection [
  +    gobject-introspection
  +  ];
   
     propagatedBuildInputs = [
       glib
  
positive.code: 
    mesonFlags = [
      "-Dgtk_doc=${lib.boolToString withGtkDoc}"
      "-Dintrospection=${if (stdenv.buildPlatform == stdenv.hostPlatform) then "enabled" else "disabled"}"
      "-Dgio_sniffing=false"
    ];
  
  
negative.code:     ./installed-tests-path.patch
    ];
  
    # gdk-pixbuf-thumbnailer is not wrapped therefore strictDeps will work
    strictDeps = true;
  
    depsBuildBuild = [
      pkg-config
    ];
  
    nativeBuildInputs = [
      meson
      ninja
      pkg-config
      gettext
      python3
      makeWrapper
      glib
      gi-docgen
  