anchor.diff:    compareVersion = v: builtins.compareVersions version v;
     qmakeCacheName =
       if compareVersion "5.12.4" < 0 then ".qmake.cache" else ".qmake.stash";
  +  debugSymbols = debug || developerBuild;
   in
   
   stdenv.mkDerivation {
   
     name = "qtbase-${version}";
     inherit qtCompatVersion src version;
  -  inherit debug;
  +  debug = debugSymbols;
   
     propagatedBuildInputs =
       [
  
positive.code:       "-I" "${icu.dev}/include"
        "-pch"
      ]
      ++ lib.optionals (compareVersion "5.11.0" < 0)
      [
        "-qml-debug"
  
negative.code:           -e "/^host_bins=/ c host_bins=$dev/bin"
      '';
  
    dontStrip = debugSymbols;
  
    setupHook = ../hooks/qtbase-setup-hook.sh;
  
    meta = with lib; {
  