10080 smatch Makefile changes for usr/src/cmd

@@ -20,10 +20,11 @@
 #
 #
 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2018, Joyent, Inc.
 
 PROG = vmstat
 OBJS = vmstat.o
 SRCS =$(OBJS:%.o=%.c) $(COMMON_SRCS)
 

@@ -33,10 +34,13 @@
 LDLIBS += -ldevinfo -lkstat -lavl
 CFLAGS += $(CCVERBOSE) -I${STATCOMMONDIR}
 CERRWARN += -_gcc=-Wno-switch
 CERRWARN += -_gcc=-Wno-uninitialized
 CERRWARN += -_gcc=-Wno-parentheses
+
+SMOFF += signed
+
 FILEMODE= 0555
 
 lint := LINTFLAGS = -muxs -I$(STATCOMMONDIR)
 
 .KEEP_STATE: