anchor.diff:      cmake
       ffmpeg
       gettext
  -    gtk2-x11
       libGLU_combined
       openal
       pkgconfig
       SDL2
       sfml
  -    wxGTK
       zip
       zlib
     ];
  
positive.code: , fetchFromGitHub
  , ffmpeg
  , gettext
  , gtk2-x11
  , libGLU_combined
  , openal
  , pkgconfig
  , SDL2
  , sfml
  , wxGTK
  , zip
  , zlib
  }:
  
  stdenv.mkDerivation rec {
    name = "visualboyadvance-m-${version}";
    version = "unstable-2017-09-04";
    src = fetchFromGitHub {
      owner = "visualboyadvance-m";
      repo = "visualboyadvance-m";
      rev = "ceef480";
      sha256 = "1lpmlj8mv6fwlfg9m58hzggx8ld6cnjvaqx5ka5sffxd9v95qq2l";
    };
  
    buildInputs = [
  
negative.code:   cmakeFlags = [
      "-DCMAKE_BUILD_TYPE='Release'"
      "-DENABLE_FFMPEG='true'"
      "-DENABLE_LINK='true'"
      "-DSYSCONFDIR=etc"
      "-DENABLE_WX='false'"
      "-DENABLE_SDL='true'"
    ];
  
    meta = {
  