9852 enable ld(1) guidance and deflib assertions for the illumos build

*** 37,47 ****
  
  CPPFLAGS +=     $(_D_XOPEN_EXTN)
  CFLAGS +=       $(CCVERBOSE)
  CERRWARN +=     -_gcc=-Wno-parentheses
  CERRWARN +=     -_gcc=-Wno-uninitialized
! LDLIBS +=       -lxnet -lmd -lsocket
  CLEAN_FILES +=  $(ROUTEDOBJS) $(RTQUERYOBJS)
  CLOBBERFILES += $(ROUTEDPROG) $(RTQUERYPROG)
  #
  # Message catalog
  #
--- 37,47 ----
  
  CPPFLAGS +=     $(_D_XOPEN_EXTN)
  CFLAGS +=       $(CCVERBOSE)
  CERRWARN +=     -_gcc=-Wno-parentheses
  CERRWARN +=     -_gcc=-Wno-uninitialized
! LDLIBS +=       -lxnet -lmd
  CLEAN_FILES +=  $(ROUTEDOBJS) $(RTQUERYOBJS)
  CLOBBERFILES += $(ROUTEDPROG) $(RTQUERYPROG)
  #
  # Message catalog
  #