anchor.diff:  , meson
   , ninja
   , wayland-scanner
  +, libGL
   , libX11
   , mesa
  -, libGL
   , wayland
  +, wayland-protocols
   }:
   
   let
  
positive.code: 
  in stdenv.mkDerivation rec {
    pname = "egl-wayland";
    version = "1.1.7";
  
    outputs = [ "out" "dev" ];
  
  
negative.code: 
    buildInputs = [
      eglexternalplatform
      libGL
      libX11
      mesa
      wayland
      wayland-protocols
    ];
  
    postFixup = ''
  