anchor.diff:      description = "Performance software for cyclists, runners and triathletes";
       platforms = platforms.linux;
       maintainers = [ ];
  -    license = licenses.gpl3;
  +    license = licenses.gpl2Plus;
     };
   }
  
positive.code:     echo 'LIBUSB_INCLUDE = ${libusb-compat-0_1.dev}/include' >> src/gcconfig.pri
      echo 'LIBUSB_LIBS = -L${libusb-compat-0_1}/lib -lusb' >> src/gcconfig.pri
      sed -i -e '21,23d' qwt/qwtconfig.pri # Removed forced installation to /usr/local
  
      # Use qtwebengine instead of qtwebkit
      substituteInPlace src/gcconfig.pri \
        --replace "#DEFINES += NOWEBKIT" "DEFINES += NOWEBKIT"
    '';
  
    installPhase = ''
  
negative.code:     })
    ];
  
    NIX_LDFLAGS = "-lz -lgsl -lblas";
  
    qtWrapperArgs = [ "--prefix" "LD_LIBRARY_PATH" ":" "${zlib.out}/lib" ];
  
    preConfigure = ''
      cp src/gcconfig.pri.in src/gcconfig.pri
  