anchor.diff:      libXNVCtrl
       wayland
       spdlog
  +  ] ++ lib.optionals gamescopeSupport [
  +    glew
  +    glfw
  +    nlohmann_json
  +    vulkan-headers
  +    xorg.libXrandr
     ];
   
     # Support 32bit Vulkan applications by linking in 32bit Vulkan layer
  
positive.code: , libXNVCtrl
  , wayland
  , spdlog
  , addOpenGLRunpath
  }:
  
  let
  
negative.code:     "-Dvulkan_datadir=${vulkan-headers}/share"
      "-Dwith_wayland=enabled"
      "-Duse_system_spdlog=enabled"
    ] ++ lib.optionals gamescopeSupport [
      "-Dmangoapp_layer=true"
      "-Dmangoapp=true"
      "-Dmangohudctl=true"
    ];
  
    nativeBuildInputs = [
  