10080 smatch Makefile changes for usr/src/cmd

*** 9,19 ****
  # http://www.illumos.org/license/CDDL.
  #
  #
  # Copyright (c) 2014 Racktop Systems.
  # Copyright 2015, OmniTI Computer Consulting, Inc. All rights reserved.
! #
  
  # Link against libc as perl solaris specs
  $(PERLEXT):= LDLIBS += -lc
  
  # Allow for undefined symbols satisfied by perl
--- 9,19 ----
  # http://www.illumos.org/license/CDDL.
  #
  #
  # Copyright (c) 2014 Racktop Systems.
  # Copyright 2015, OmniTI Computer Consulting, Inc. All rights reserved.
! # Copyright (c) 2018, Joyent, Inc.
  
  # Link against libc as perl solaris specs
  $(PERLEXT):= LDLIBS += -lc
  
  # Allow for undefined symbols satisfied by perl
*** 24,33 ****
--- 24,35 ----
  
  # CFLAGS for perl, specifically.
  PCFLAGS= -DPERL_EUPXS_ALWAYS_EXPORT -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 \
          -DPERL_USE_SAFE_PUTENV -D_TS_ERRNO
  
+ SMATCH=off
+ 
  $(MACH):
          $(INS.dir)
  
  $(PERLEXT): $(MACH)/$(MODULE).o
          $(BUILD.SO) $(MACH)/$(MODULE).o