# nano /etc/sudoers.d/makepkg
michael ALL=(ALL) /usr/bin/pacman

# chmod -c 0440 /etc/sudoers.d/makepkg

$ mkdir archlinuxarm

$ cd archlinuxarm/

$ git clone git:github.com/archlinuxarm/PKGBUILDs.git $ cd PKGBUILDs/core/linux-armv7-rc/ $ makepkg -s