10063 basic support for smatch
10153 checkpaths shouldn't check packaging exceptions

*** 20,38 ****
--- 20,42 ----
  # CDDL HEADER END
  #
  #
  # Copyright (c) 1989 by Sun Microsystems, Inc.
  #
+ # Copyright (c) 2018, Joyent, Inc.
  
  PROG= deroff
  
  include ../Makefile.cmd
  
  CERRWARN += -_gcc=-Wno-char-subscripts
  CERRWARN += -_gcc=-Wno-unused-label
  CERRWARN += -_gcc=-Wno-parentheses
  
+ # too hairy for smatch
+ SMATCH=off
+ 
  .KEEP_STATE:
  
  all: $(PROG)
  
  install: all $(ROOTPROG)