haskell-protocol-buffers-descriptor: disable Hydra builds as this package depends on broken 'protocol-buffers'
ohaskell-SDL-ttf: disable Hydra builds as this package depends on broken 'SDL'
ohaskell-SDL-mixer: disable Hydra builds as this package depends on broken 'SDL'
ohaskell-SDL-image: disable Hydra builds as this package depends on broken 'SDL'