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 = libdtrace_jni.a
 VERS = .1
 
 LIBSRCS = \

@@ -49,10 +50,12 @@
 CFLAGS += $(CCVERBOSE) $(C_BIGPICFLAGS)
 CFLAGS64 += $(CCVERBOSE) $(C_BIGPICFLAGS64)
 
 CERRWARN += -_gcc=-Wno-uninitialized
 
+SMOFF += all_func_returns
+
 LDLIBS += -lc -luutil -ldtrace -lproc
 
 LINTLIB =
 
 LFLAGS = -t -v