This is currently blocked on libghc-dav-dev and libghc-yesod-dev being available on powerpc, which in turn is blocked on:
http://lists.debian.org/debian-haskell/2013/06/msg00000.html -- Colin Watson [cjwat...@debian.org] -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org