anchor.diff:  
     src = fetchurl {
       url = "https://webkitgtk.org/releases/${pname}-${version}.tar.xz";
  -    sha256 = "1zfkfyhm4i7901pp32wcwcfxax69qgq5k44x0glwaywdg4zjvkh0";
  +    sha256 = "sha256-iAyO5ib2cBn2dVfKCeWaI+zyReYPYXMhXxqII8sJrzQ=";
     };
   
     patches = lib.optionals stdenv.isLinux [
  
positive.code:     libGLU
      mesa # for libEGL headers
      libgcrypt
      libidn
      libintl
    ] ++ lib.optionals stdenv.isLinux [
      libmanette
    ] ++ [
  
negative.code: , libnotify
  , gnutls
  , libgcrypt
  , libgpg-error
  , gtk3
  , wayland
  , libwebp
  