g++ -Wl,-rpath,/usr/local/qt-x11-free-3.2.3/lib           /* Tells g++ to run the linker, and pass these options to ld.*/ 
        -o hw7                                                /* Specify the output to be called hw7. */
        .obj/address.o .obj/ca_address.o .obj/constraintgroup.o
        .obj/customer.o .obj/dataobject.o .obj/dataobjectfactory.o
        .obj/hw07-demo.o .obj/us_address.o .obj/moc_address.o /* Link these object files into the executable. */
        .obj/moc_ca_address.o .obj/moc_customer.o .obj/moc_dataobject.o 
        .obj/moc_us_address.o  
        -L/usr/local/qt-x11-free-3.2.3/lib  -L/usr/X11R6/lib 
        -L/usr/local/utils/lib                                /* Add another location for the linker to search for libraries. */
        -lutils -lqt -lXext -lX11 -lm                         /* Link this app with five more libraries: qt utils, ext, X11, and m. */