10080 smatch Makefile changes for usr/src/cmd

@@ -20,10 +20,11 @@
 # CDDL HEADER END
 #
 #
 # Copyright (c) 1989 by Sun Microsystems, Inc.
 #
+# Copyright (c) 2018, Joyent, Inc.
 
 CFLAGS += v
 
 PROG= ctags
 XPG4PROG= ctags

@@ -42,10 +43,13 @@
 CERRWARN += -_gcc=-Wno-parentheses
 CERRWARN += -_gcc=-Wno-uninitialized
 CERRWARN += -_gcc=-Wno-implicit-function-declaration
 CERRWARN += -_gcc=-Wno-unused-variable
 
+# way too old
+SMATCH=off
+
 POFILE= misc.po
 
 CLOBBERFILES += $(OTHERPROGS)
 
 .KEEP_STATE: