anchor.diff:      xorgproto
     ];
   
  -  postPatch = ''
  -    # Fix list being cast to a string
  -    sed -i meson.build \
  -      -e '/EGL_EXTERNAL_PLATFORM_MAX_VERSION/ s/\[//' \
  -      -e '/EGL_EXTERNAL_PLATFORM_MAX_VERSION/ s/\]//'
  -  '';
  -
     meta = with lib; {
       description = "Wayland EGL External Platform library";
       homepage = https://github.com/NVIDIA/egl-wayland;
  
positive.code: }:
  
  let
    version = "2018-01-31";
  in
  stdenv.mkDerivation rec {
    name = "egl-wayland-${version}";
  
negative.code:     version = 6;
      owner = "NVIDIA";
      repo = "egl-wayland";
      rev = "395ce9f609fbf66f6cab622aec3ded663e089f84";
      sha256 = "8fdd323190a8a0cdc786c6414874a3eff0736cabba281b610e08b81dcca16c6b";
    };
  
    nativeBuildInputs = [
  