.PARALLEL implies everything else is to be run in serial.

*** 19,28 ****
--- 19,30 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
   * Use is subject to license terms.
+  *
+  * Copyright 2017 RackTop Systems.
   */
  
  /*
   *      read.c
   *
*** 1276,1285 ****
--- 1278,1290 ----
                  /* the dependency list */
                  if (depes->used == 0) {
                          /* only those explicitly made parallel */
                          only_parallel = true;
                          all_parallel = false;
+                 } else {
+                         only_parallel = false;
+                         all_parallel = true;
                  }
                  for (; depes != NULL; depes = depes->next) {
                          for (n = 0; n < depes->used; n++) {
                                  if (trace_reader) {
                                          (void) printf("%s:\t%s\n",
*** 1297,1306 ****
--- 1302,1314 ----
                    break;
                  if (depes->used == 0) {
                          /* everything runs in parallel */
                          all_parallel = true;
                          only_parallel = false;
+                 } else {
+                         all_parallel = false;
+                         only_parallel = true;
                  }
                  /* Set the parallel bit for all the targets on */
                  /* the dependency list */
                  for (; depes != NULL; depes = depes->next) {
                          for (n = 0; n < depes->used; n++) {