REMOVE the old module if present
ERROR: Module gspca does not exist in /proc/modules

 CLEAN gspca source tree
rm -r -f *.o decoder/.gspcadecoder.o.cmd decoder/*.o \
        .gspca.o.cmd  *.o *.ko *.mod.* .[a-z]* core *.i \
        *.symvers *.err

 COMPILE gspca Please Wait ....!!