anchor.diff:      "--disable-tests"
       "--enable-nls"
       "--with-backend=linux"
  -    (wtFlag "idevice" (
  -      libimobiledevice != null
  -      && libplist != null) null)
  +    "--${boolWt (libimobiledevice != null && libplist != null)}-idevice"
     ];
   
     NIX_LDFLAGS = [
  
positive.code: , gettext
  , fetchurl
  , intltool
  , libxslt
  
  , dbus-glib
  
negative.code: }:
  
  let
    inherit (lib)
      boolEn
      boolWt;
  in
  stdenv.mkDerivation rec {
    name = "upower-0.99.4";
  