make
cc -Wall -fPIC -DUSB_DRIVER_VERSION="\"2011-12-12 15:47:45\""  usb-driver.c xpcu.c parport.c config.c jtagmon.c -o libusb-driver.so -ldl -lusb -lpthread -shared
parport.c: In function ‘parport_transfer’:
parport.c:21:23: warning: variable ‘last_pp_write’ set but not used [-Wunused-but-set-variable]
cc -DDEBUG -Wall -fPIC -DUSB_DRIVER_VERSION="\"2011-12-12 15:47:45\""  usb-driver.c xpcu.c parport.c config.c jtagmon.c -o libusb-driver-DEBUG.so -ldl -lusb -lpthread -shared
Built library is 64 bit. Run `make lib32' to build a 32 bit version