12312 fix unused lib dependencies

@@ -18,10 +18,11 @@
 #
 # CDDL HEADER END
 #
 #
 # Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright 2020 Joyent, Inc.
 #
 
 LIBRARY =       sn1_brand.a
 VERS =          .1
 COBJS =         sn1_brand.o

@@ -65,12 +66,13 @@
                 -I. -I$(BRAND_SHARED)/brand/sys -I$(UTSBASE)/common/brand/sn1
 CFLAGS +=       $(CCVERBOSE)
 DYNFLAGS +=     $(DYNFLAGS_$(CLASS))
 DYNFLAGS +=     $(BLOCAL) $(ZNOVERSION) -Wl,-e_start
 #DYNFLAGS +=    -R$(NATIVE_DIR)/lib -R$(NATIVE_DIR)/usr/lib
-LDLIBS +=       -lc -lmapmalloc
+LDLIBS +=       -lmapmalloc -lc
 
+ZGUIDANCE =     -zguidance=nounused
 $(LIBS):= PICS += $(SHAREDOBJS)
 
 .KEEP_STATE:
 
 all: $(LIBS)