anchor.diff:  , udev
   , vulkan-loader
   , wayland
  +, zlib
   }:
   
   let
  
positive.code: 
    configureFlags = [
      "--disable-update_cores"
    ] ++
    lib.optionals stdenv.isLinux [
      "--enable-dbus"
  
negative.code: 
    buildInputs = [
      ffmpeg_4
      flac
      freetype
      libGL
      libGLU
      libxml2
      mbedtls
      python3
      SDL2
      zlib
    ] ++
    lib.optional enableNvidiaCgToolkit nvidia_cg_toolkit ++
    lib.optional withVulkan vulkan-loader ++
  