anchor.diff:      license = licenses.lgpl2Plus;
       platforms = platforms.unix;
       maintainers = teams.gnome.members ++ [ maintainers.cwyc ];
  -    # meson.build:16:0: ERROR: Program or command 'gcc' not found or not executable
  -    broken = stdenv.isDarwin;
     };
   }
  
positive.code:   ];
  
    mesonFlags = [
      "-Dgdk_pixbuf_query_loaders_path=${gdk-pixbuf.dev}/bin/gdk-pixbuf-query-loaders"
      "-Dgdk_pixbuf_moduledir=${placeholder "out"}/${moduleDir}"
    ];
  
  
negative.code: in
  stdenv.mkDerivation rec {
    pname = "webp-pixbuf-loader";
    version = "0.0.7";
  
    src = fetchFromGitHub {
      owner = "aruiz";
      repo = "webp-pixbuf-loader";
      rev = version;
      sha256 = "sha256-Za5/9YlDRqF5oGI8ZfLhx2ZT0XvXK6Z0h6fu5CGvizc=";
    };
  
    nativeBuildInputs = [
      gdk-pixbuf.dev
      meson
      ninja
      pkg-config
  