[B.A.T.M.A.N.] Barrier breaking kmod-batman-adv package

Not sure if this is appropriate for this list, but I'm trying to get batman-adv running on the latest bleeding edge barrier breaker r39286 but kmod-batman-adv is not available from the package repo.

When I was setting up a r38816-based router a few months ago and I didn't have to set up the build environment and whatnot, just opkg install kmod-batman-adv.

Anyone know why it's not available anymore? I'm working on creating an updated system image using batman-adv 2014 for the purpose of future-proofery.

Thanks, Travis.