8516 Suppress gcc errors with -Wno- in Makefile for usr/src/cmd

*** 18,27 ****
--- 18,28 ----
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  #
+ # Copyright 2017 Gary Mills
  # Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  PROG=   amt
*** 35,44 ****
--- 36,48 ----
  LINTFLAGS +=    -erroff=E_NAME_USED_NOT_DEF2
  LINTFLAGS64 +=  -erroff=E_NAME_USED_NOT_DEF2
  
  CERRWARN +=     -_gcc=-Wno-uninitialized
  
+ # Suppress errors for: p1 probe
+ amt.o := CERRWARN += -_gcc=-Wno-unused-but-set-variable
+ 
  CLEANFILES      += $(PROG) $(OBJS)
  
  .KEEP_STATE:
  
  all: $(PROG)