Getting error in compiling install.sh of a wireless driver

I am trying to install a wireless driver that is provided with the adapter. but running

sudo bash install.sh

I am getting the error. According to the readme file this should be the install script basically but it shows errors during the process. so the output from the commands and the errors are:

cc1: some warnings being treated as errors
scripts/Makefile.build:325: recipe for target '/home/the_blank/Desktop/RTL8188C_8192C_USB_linux_v3.4.4_4749.20121105/driver/rtl8188C_8192C_usb_linux_v3.4.4_4749.20121105/core/rtw_cmd.o' failed
make[2]: *** [/home/the_blank/Desktop/RTL8188C_8192C_USB_linux_v3.4.4_4749.20121105/driver/rtl8188C_8192C_usb_linux_v3.4.4_4749.20121105/core/rtw_cmd.o] Error 1
Makefile:1534: recipe for target '_module_/home/the_blank/Desktop/RTL8188C_8192C_USB_linux_v3.4.4_4749.20121105/driver/rtl8188C_8192C_usb_linux_v3.4.4_4749.20121105' failed
make[1]: *** [_module_/home/the_blank/Desktop/RTL8188C_8192C_USB_linux_v3.4.4_4749.20121105/driver/rtl8188C_8192C_usb_linux_v3.4.4_4749.20121105] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.18.0-17-generic'
Makefile:504: recipe for target 'modules' failed
make: *** [modules] Error 2
##################################################
Compile make driver error: 2
Please check error Mesg

And the link to the wireless driver is https://drive.google.com/open?id=1o2QwkaKErzGZrzNmzmFaHg9FsmE0HrmD If anybody knows what the problem is and how to solve it please do tell.

Please get a temporary working internet connection by ethernet, tethering or any means possible. Open a terminal and do:

sudo apt update
sudo apt install build-essential git dkms linux-headers-generic
git clone https://github.com/kelebek333/rtl8188fu
cd rtl8188fu
sudo dpkg -i rtl*.deb

The process dpkg will take a few moments, please be patient. Next, do:

sudo modprobe rtl8188fu

Your wireless should be working.