anchor.diff:  { stdenv, fetchFromGitHub, cmake, pkgconfig, openssl, zlib, libX11, libXcursor
  -, libXdamage, libXext, glib, alsaLib, ffmpeg, libxkbfile, libXinerama, libXv
  +, libXdamage, libXext, libXrender, glib, alsaLib, ffmpeg, libxkbfile, libXinerama, libXv
   , substituteAll
   , libpulseaudio ? null, cups ? null, pcsclite ? null
   , buildServer ? true, optimize ? true
  
positive.code:     platforms = platforms.unix;
    };
  }
  
  
negative.code:       });
  
    buildInputs = [
      cmake pkgconfig openssl zlib libX11 libXcursor libXdamage libXext libXrender glib
      alsaLib ffmpeg libxkbfile libXinerama libXv cups libpulseaudio pcsclite
    ];
  
  