archlinux has a hostapd config file. https://projects.archlinux.org/svntogit/community.git/tree/trunk?h=packages/hostapd
Do feel free to add the systemd unit to the package. I'm not using systemd on any of my systems, so I cannot test it :-)
(In reply to Bjarke Istrup Pedersen from comment #1) > Do feel free to add the systemd unit to the package. > I'm not using systemd on any of my systems, so I cannot test it :-) (That is for the systemd team)
+*hostapd-2.0-r1 (31 Aug 2013) + + 31 Aug 2013; Pacho Ramos <pacho@gentoo.org> +files/hostapd.service, + +hostapd-2.0-r1.ebuild: + Add unit file (#483014 by Yichao Zhou) +