10075 make usr/src/tools smatch clean

@@ -10,10 +10,11 @@
 #
 
 #
 # Copyright 2018 Toomas Soome <tsoome@me.com>
 #
+# Copyright (c) 2018, Joyent, Inc.
 
 include         ../Makefile.tools
 
 SOFTCORE=       $(SRC)/common/ficl/softcore
 PROG=           makesoftcore

@@ -21,10 +22,13 @@
 CPPFLAGS +=     -I$(SRC)/lib/libficl -I$(SRC)/common/ficl
 OBJS=           makesoftcore.o lz4.o
 SRCS=           makesoftcore.c lz4.c
 LDLIBS=         -lumem
 
+# not linted
+SMOFF += all_func_returns
+
 .KEEP_STATE:
 
 all:            $(PROG)
 
 install:        all .WAIT $(ROOTONBLDMACHPROG)