To get DKMS to work:
- Install dkms
- Copy this source to the directory /usr/src/8723au-0.1/
- Run (as root):
$ dkms add -m 8723au -v 0.1
- Test a build:
$ dkms build -m 8723au -v 0.1
From now on this drive should be available for any new kernels.