anchor.diff:    nativeBuildInputs = [
       cmake
       pkg-config
  +    makeWrapper
     ];
   
     buildInputs = [
  
positive.code: , SDL2
  , libzip
  , miniupnpc
  }:
  
  stdenv.mkDerivation rec {
  
negative.code: , fetchFromGitHub
  , cmake
  , pkg-config
  , makeWrapper
  , alsa-lib
  , libX11
  , libevdev
  