anchor.diff:      sha256 = "1fh2cvyqbz8saf2wij0bz2r9bja2k4gy6fqvbvig4gv0lx66gl29";
     };
   
  +  patches = [
  +    # Fix build with Meson 0.55
  +    # https://gitlab.gnome.org/GNOME/iagno/-/issues/16
  +    (fetchpatch {
  +      url = "https://gitlab.gnome.org/GNOME/iagno/commit/0100bab269f2102f24a6e41202b931da1b6e8dc5.patch";
  +      sha256 = "ZW75s+bV45ivwA+SKUN7ejSvnXYEo/kYQjDVvFBA/sg=";
  +    })
  +  ];
  +
     nativeBuildInputs = [
  -    meson ninja python3 vala desktop-file-utils
  -    pkgconfig wrapGAppsHook itstool libxml2
  +    meson
  +    ninja
  +    python3
  +    vala
  +    desktop-file-utils
  +    pkg-config
  +    wrapGAppsHook
  +    itstool
  +    libxml2
     ];
  -  buildInputs = [ gtk3 gnome3.adwaita-icon-theme gdk-pixbuf librsvg gsound ];
   
  -  enableParallelBuilding = true;
  +  buildInputs = [
  +    gtk3
  +    gnome3.adwaita-icon-theme
  +    gdk-pixbuf
  +    librsvg
  +    gsound
  +  ];
   
     passthru = {
       updateScript = gnome3.updateScript {
  
positive.code:     homepage = "https://wiki.gnome.org/Apps/Iagno";
      description = "Computer version of the game Reversi, more popularly called Othello";
      maintainers = teams.gnome.members;
      license = licenses.gpl2;
      platforms = platforms.linux;
    };
  }
  
negative.code: { stdenv
  , fetchurl
  , fetchpatch
  , pkg-config
  , gtk3
  , gnome3
  , gdk-pixbuf
  , librsvg
  , wrapGAppsHook
  , itstool
  , gsound
  , libxml2
  , meson
  , ninja
  , python3
  , vala
  , desktop-file-utils
  }:
  
  stdenv.mkDerivation rec {
  