anchor.diff:      };
     };
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "Library to handle input devices";
       homepage = http://www.freedesktop.org/wiki/Software/libinput;
       license = licenses.mit;
  
positive.code:     sha256 = "f8c9dbc31bf549008486258ebfa328d3dbc749c0029c6168e46949c24cf19076";
    };
  
    buildInputs = [
      libevdev
      libwacom
  
negative.code:     valgrind
    ];
  
    mesonFlags = [
      #"-Dudev-dir"
      "-Dlibwacom=${boolTf (libwacom != null)}"
      "-Ddebug-gui=${boolTf debugGUISupport}"
      "-Dtests=${boolTf testsSupport}"
      "-Ddocumentation=${boolTf documentationSupport}"
    ];
  
    passthru = {
  