Avoided to bother libjte if no output paths are given

xorriso/xorriso_private.h

@@ -359,7 +359,12 @@ struct XorrisO { /* the global context of xorriso */
  /* List of -jigdo parameters since the most recent -jigdo clear */
  struct Xorriso_lsT *jigdo_params;
  struct Xorriso_lsT *jigdo_values;
-
+ int libjte_params_given; /* bits: 0= outfile , 1= verbosity , 2= template_path
+                                   3= jigdo_path , 4= md5_path , 5= min_size
+                                   6= checksum_iso , 7= checksum_template
+                                   8= compression , 9= exclude , 10= demand_md5
+                                  11= mapping
+                          */
 
  /* LBA of boot image after image loading */
  int loaded_boot_bin_lba;