anchor.diff:  
     mesonFlags = [
       "-Dgtk_doc=${lib.boolToString withGtkDoc}"
  -    "-Dintrospection=${if (stdenv.buildPlatform == stdenv.hostPlatform) then "enabled" else "disabled"}"
  +    "-Dintrospection=${if withIntrospection then "enabled" else "disabled"}"
       "-Dgio_sniffing=false"
     ];
   
  
positive.code:     ./installed-tests-path.patch
    ];
  
    nativeBuildInputs = [
      meson
      ninja
      pkg-config
      gettext
      python3
      gobject-introspection
      makeWrapper
      glib
      gi-docgen
  
negative.code: , libjpeg
  , libpng
  , gnome
  , doCheck ? false
  , makeWrapper
  , lib
  , withIntrospection ? (stdenv.buildPlatform == stdenv.hostPlatform)
  , gobject-introspection
  }:
  
  let
  