12312 fix unused lib dependencies

*** 20,30 ****
  #
  #
  # Copyright 2015 Gary Mills
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
! # Copyright (c) 2018, Joyent, Inc.
  #
  
  BINPROG = ypmatch ypwhich ypcat
  SBINPROG = makedbm ypalias ypinit yppoll ypset
  NETYPPROG = ypbind ypxfr yppush udpublickey mkalias \
--- 20,30 ----
  #
  #
  # Copyright 2015 Gary Mills
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
! # Copyright 2020 Joyent, Inc.
  #
  
  BINPROG = ypmatch ypwhich ypcat
  SBINPROG = makedbm ypalias ypinit yppoll ypset
  NETYPPROG = ypbind ypxfr yppush udpublickey mkalias \
*** 155,164 ****
--- 155,166 ----
  CERRWARN +=     -_gcc=-Wno-unused-function
  
  # too many unknown types
  SMATCH =        off
  
+ ZGUIDANCE = -zguidance=nounused
+ 
  #conditional assignments
  ypalias.o :=    CPPFLAGS= -DMAIN $(CPPFLAGS.master)
  makedbm.o :=    CPPFLAGS= $(CPPFLAGS.master)
  yp_b_svc.o :=   CPPFLAGS += -DINIT_DEFAULT
  ypxfrd_svc.o := CPPFLAGS += -Dmain=_main
*** 176,186 ****
  
  all:=           TARGET= all
  install:=       TARGET= install
  clean:=         TARGET= clean
  clobber:=       TARGET= clobber
- lint:=          TARGET= lint
  cstyle :=       TARGET= cstyle
  
  all: $(SHAREDOBJ) $(SUBDIRS) $(PROG) $(TXTS) 
  
  # install rules
--- 178,187 ----
*** 272,307 ****
          $(INS.dir)
  
  $(SUBDIRS): FRC
          @cd $@; pwd; $(MAKE) $(TARGET)
  
- lint := CPPFLAGS += -I$(SRC)/lib/libnisdb/yptol
- 
- lint:   $(SUBDIRS)
-         $(LINT.c) ypmatch.c nick.c -lnsl
-         $(LINT.c) ypwhich.c nick.c -lnsl
-         $(LINT.c) ypcat.c nick.c -lnsl
-         $(LINT.c) makedbm.c getlist.c yp_getalias.c
-         $(LINT.c) ypalias.c getlist.c yp_getalias.c
-         $(LINT.c) yp_b_svc.c yp_b_subr.c rpc_bootstrap.c getlist.c -lnsl
-         $(LINT.c) ypxfr.c ypxfrd_client.c ypxfrd_xdr.c getlist.c yp_getalias.c \
-                 ./shared/utils.c ./shared/lockmap.c ./shared/ancil.c -lnsl
-         $(LINT.c) yppush.c getlist.c yp_getalias.c -lnsl
-         $(LINT.c) udpublickey.c
-         $(LINT.c) mkalias.c -lnsl
-         $(LINT.c) stdethers.c -lsocket
-         $(LINT.c) stdhosts.c -lnsl
-         $(LINT.c) ypxfrd_svc.c ypxfrd_xdr.c ypxfrd_server.c \
-                 ypserv_net_secure.c \
-                 ./shared/utils.c ./shared/lockmap.c ./shared/ancil.c \
-                 -lnsl -lnisdb
-         $(LINT.c) ypserv.c ypserv_map.c ypserv_proc.c ypserv_ancil.c \
-                 ypserv_resolv.c ypserv_resolv_common.c ypv1_xdr.c \
-                 ypserv_net_secure.c getlist.c yp_getalias.c \
-                 ./shared/utils.c ./shared/lockmap.c ./shared/ancil.c \
-                 -lnsl -lnisdb
- 
  check: $(CHKMANIFEST)
  
  cstyle: $(SUBDIRS)
          ${CSTYLE} `echo $(SRCS) | sed 's/ypinit.c//'`
  
--- 273,282 ----