anchor.diff:        dbus libuuid openssl gperf m4 libevdev tradcpp libinput mcpp makeWrapper autoreconfHook
         autoconf automake libtool xmlto asciidoc flex bison python mtdev pixman;
       mesa = mesa_noglu;
  -    udev = if stdenv.isLinux then udev else null;
  -    libdrm = if stdenv.isLinux then libdrm else null;
     } // { inherit xlibsWrapper; } );
   
     xwayland = callPackage ../servers/x11/xorg/xwayland.nix { };
  
positive.code:             monolithic = true;
              daemon = false;
              client = false;
              withKDE = stdenv.isLinux;
              qt = if withKDE then qt4 else qt5; # KDE supported quassel cannot build with qt5 yet (maybe in 0.12.0)
            };
  
  
negative.code:     ruby = ruby_2_1;
    };
  
    shishi = callPackage ../servers/shishi { };
  
    sipcmd = callPackage ../applications/networking/sipcmd { };
  
  