11689 ::refstr would be useful
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Jason King <jason.king@joyent.com>

*** 19,29 ****
  # CDDL HEADER END
  #
  #
  # Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  # Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
! # Copyright 2019, Joyent, Inc.
  # Copyright (c) 2013 by Delphix. All rights reserved.
  #
  
  #
  # This file simply contains the list of sources files compiled together
--- 19,29 ----
  # CDDL HEADER END
  #
  #
  # Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  # Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
! # Copyright 2019 Joyent, Inc.
  # Copyright (c) 2013 by Delphix. All rights reserved.
  #
  
  #
  # This file simply contains the list of sources files compiled together
*** 70,79 ****
--- 70,80 ----
          netstack.c      \
          nvpair.c        \
          pci.c           \
          pg.c            \
          rctl.c          \
+         refstr.c        \
          sobj.c          \
          streams.c       \
          sysevent.c      \
          taskq.c         \
          thread.c        \