The AUR only defines rules for installing certain packages, the program itself would still need to be downloaded from Intel. That is how it's done with the MKL

The AUR only defines rules for installing certain packages, the program itself would still need to be downloaded from Intel. That is how it's done with the MKL package [1] and other proprietary software. [1] https://aur.archlinux.org/packages/intel-mkl https://aur.archlinux.org/packages/intel-mkl