8411 Build should warn when linking against libraries outside proto area

@@ -18,10 +18,11 @@
 #
 # CDDL HEADER END
 #
 # Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
 # Copyright (c) 2016 by Delphix. All rights reserved.
+# Copyright 2017 RackTop Systems.
 #
 LIBRARY =       libshare.a
 VERS =          .1
 NFSLIB_DIR =    $(SRC)/cmd/fs.d/nfs/lib
 

@@ -39,10 +40,13 @@
 
 LIBS =          $(DYNLIB) $(LINTLIB)
 LDLIBS +=       -lc -lnsl -lscf -lzfs -luuid -lxml2 -lnvpair
 $(LINTLIB) :=   SRCS = $(SRCDIR)/$(LINTSRC)
 
+# Allow libxml2 to be taken from outside the proto area.
+$(ADJUNCT_PROTO_NOT_SET)DYNFLAGS += $(ZASSERTDEFLIB)=libxml2.so
+
 #add nfs/lib directory as part of the include path
 CFLAGS +=       $(CCVERBOSE)
 C99MODE +=      $(C99_ENABLE)
 CERRWARN +=     -_gcc=-Wno-parentheses
 CERRWARN +=     -_gcc=-Wno-uninitialized