10079 smatch Makefile changes for usr/src/lib

@@ -20,10 +20,11 @@
 #
 #
 # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2018, Joyent, Inc.
 
 LIBRARY=        libkvm.a
 VERS=           .1
 
 OBJECTS=        kvm.o kvm_getcmd.o

@@ -46,10 +47,12 @@
 
 CPPFLAGS = -D_KMEMUSER -D_LARGEFILE64_SOURCE=1 -I.. $(CPPFLAGS.master)
 
 CERRWARN +=     -_gcc=-Wno-uninitialized
 
+SMOFF += signed
+
 CLOBBERFILES += test test.o
 
 .KEEP_STATE:
 
 lint: lintcheck