confusing install instructions

[kevinkey619]

Why am I getting the below errors? The install instructions are very confusing.

root@raspberrypi3:/usr/src/rtl8812AU-4.3.14# dkms add -m ${DRV_NAME} -v ${DRV_VERSION}

Creating symlink /var/lib/dkms/rtl8812AU/4.3.14/source ->
/usr/src/rtl8812AU-4.3.14

DKMS: add completed.
root@raspberrypi3:/usr/src/rtl8812AU-4.3.14# dkms build -m ${DRV_NAME} -v ${DRV_VERSION}

Kernel preparation unnecessary for this kernel. Skipping...

Building module:
cleaning build area....
'make'....(bad exit status: 2)
Error! Bad return status for module build on kernel: 4.9.35-v7+ (armv7l)
Consult /var/lib/dkms/rtl8812AU/4.3.14/build/make.log for more information.
root@raspberrypi3:/usr/src/rtl8812AU-4.3.14# dkms install -m ${DRV_NAME} -v ${DRV_VERSION}

Kernel preparation unnecessary for this kernel. Skipping...

Building module:
cleaning build area....
'make'....(bad exit status: 2)
Error! Bad return status for module build on kernel: 4.9.35-v7+ (armv7l)
Consult /var/lib/dkms/rtl8812AU/4.3.14/build/make.log for more information.
root@raspberrypi3:/usr/src/rtl8812AU-4.3.14#

[PolarJunction]

This is a build error with your current kernel version, you may find this thread of use: #75

[diederikdehaas]

Correct. The latest from the 4.3.20 branch should fix that