anchor.diff:      libxcb
       libxkbfile
       libxshmfence
  +    libxcvt
       mesa
       openssl
       pixman
  
positive.code: , libxcb
  , libxkbfile
  , libxshmfence
  , mesa
  , meson
  , ninja
  
negative.code: stdenv.mkDerivation rec {
  
    pname = "xwayland";
    version = "22.1.0";
    src = fetchurl {
      url = "mirror://xorg/individual/xserver/${pname}-${version}.tar.xz";
      sha256 = "sha256-F1LW0Kkw5xKStaMI04EevVTYzGjKz/RN5lQmW4YXor8=";
    };
  
    depsBuildBuild = [
  