firefly@QCLADAMS-TESTER:~/rtl8188eu$ sudo make
make ARCH=arm64 CROSS_COMPILE= -C /lib/modules/4.4.194/build M=/home/firefly/rtl8188eu modules
make[1]: *** /lib/modules/4.4.194/build: No such file or directory. Stop.
Makefile:155: recipe for target 'modules' failed
make: *** [modules] Error 2