On Thu, 2 Jun 2022, at 11:59, Philip Munksgaard wrote: > On Thu, 2 Jun 2022, at 11:53, Philip Munksgaard wrote: >> Also, attoparsec still won't build with result of the import, but for >> different reasons. > > Actually, that's weird. Didn't attoparsec used to build?
Aha! The upgrade to GHC 9.0.0 caused ghc-hashable to break. I suppose many other packages could be broken as well.