anchor.diff:  , addOpenGLRunpath
   , enableGeoLocation ? true
   , withLibsecret ? true
  +, systemdSupport ? stdenv.isLinux
   }:
   
   stdenv.mkDerivation rec {
  
positive.code:     "-DUSE_APPLE_ICU=OFF"
      "-DUSE_OPENGL_OR_ES=OFF"
      "-DUSE_SYSTEM_MALLOC=ON"
    ] ++ lib.optionals (!stdenv.isLinux) [
      "-DUSE_SYSTEMD=OFF"
    ] ++ lib.optionals (stdenv.isLinux && enableGLES) [
      "-DENABLE_GLES2=ON"
  
negative.code:     bubblewrap
      libseccomp
      libmanette
      wayland
      xdg-dbus-proxy
    ] ++ lib.optionals systemdSupport [
      systemd
    ] ++ lib.optionals enableGeoLocation [
      geoclue2
    ] ++ lib.optionals withLibsecret [
  