Re: [ANNOUNCE] Glasgow Haskell Compiler 8.0.1, release candidate 1

2016-01-13 17:33 GMT-05:00 Ben Gamari :

Due to unfortunate Cabal/GHC interactions, GHC 8.0 will require Cabal 0.23. These interface file issues should be cleared up by wiping your 8.0.1 package database, installing Cabal and cabal-install 0.23 (only available from the upstream repository at the moment), and trying to install vector again.

Installing Cabal and cabal-install (with GHC 7.10.3) from the upstream repository fixed the problem. Thanks! -- Andrés