8411 Build should warn when linking against libraries outside proto area

*** 20,29 ****
--- 20,31 ----
  #
  #
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
+ # Copyright 2017 RackTop Systems.
+ #
  
  PROG= fiocompress
  
  SBINLINKS= $(PROG)
  
*** 34,43 ****
--- 36,48 ----
  
  .KEEP_STATE:
  
  LDLIBS +=       -lz
  
+ # Allow zlib to be taken from outside the proto area.
+ $(ADJUNCT_PROTO_NOT_SET)LDFLAGS += $(ZASSERTDEFLIB)=libz.so
+ 
  CFLAGS +=       -I../../../uts/common
  LINTFLAGS +=    -I../../../uts/common
  
  all: $(PROG)