anchor.diff:      gobject-introspection
       expat
       pam
  -    spidermonkey_78
       dbus
  +    duktape
     ] ++ lib.optionals stdenv.isLinux [
       # On Linux, fall back to elogind when systemd support is off.
       (if useSystemd then systemd else elogind)
  
positive.code: , python3
  , fetchpatch
  , gettext
  , spidermonkey_78
  , gobject-introspection
  , libxslt
  , docbook-xsl-nons
  
negative.code: in
  stdenv.mkDerivation rec {
    pname = "polkit";
    version = "121";
  
    outputs = [ "bin" "dev" "out" ]; # small man pages in $bin
  
  