+ print "# Postprocessed by ", basename($0), "\n\n";
+ print <<'EOF';
+# This trick should define gnulib_orderonly to | iff we're using GNU make.
+gnulib_have_orderonly = $(findstring order-only,$(.FEATURES))
+gnulib_orderonly = $(gnulib_have_orderonly:order-only=|)
+gnulib_headers = $(gnulib_orderonly)
+EOF
+