necessary to ensure that the sort comparator below is a
               ordering. std::sort() can segfault if it isn't. */

               necessary to ensure that the sort comparator below is
               an ordering. std::sort() can segfault if it isn't. */

                    if (rdep_->deps.empty()) runnable = true;

                    /* Note: if the step has not finished
                       initialisation yet, it will be made runnable in
                       createStep(), if appropriate. */
                    if (rdep_->deps.empty() && rdep->created) runnable = true;