8411 Build should warn when linking against libraries outside proto area

@@ -20,10 +20,12 @@
 #
 #
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright 2017 RackTop Systems.
+#
 
 PROG= cdrw
 
 OBJS= main.o mmc.o device.o transport.o util.o msgs.o misc_scsi.o dumpinfo.o \
       toshiba.o bstream.o options.o trackio.o write_image.o blank.o \

@@ -40,10 +42,13 @@
 CERRWARN +=     -_gcc=-Wno-uninitialized
 CERRWARN +=     -_gcc=-Wno-parentheses
 CPPFLAGS +=     -D_REENTRANT -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 $(HAL_DBUS_CPPFLAGS)
 LINTFLAGS +=    -um
 
+# Allow libdbus to be taken from outside the proto area.
+$(ADJUNCT_PROTO_NOT_SET)LDFLAGS += $(ZASSERTDEFLIB)=libdbus-1.so
+
 $(ROOTBIN)/cdrw := FILEMODE = 04755
 
 .KEEP_STATE:
 
 all: $(PROG)