[Haskell-cafe] Package regex-posix-0.94.2 suddenly failed to link

[Stephen Tetley]

Possibly related to this bug?

http://trac.haskell.org/haskell-platform/ticket/137
http://www.haskell.org/pipermail/haskell-cafe/2010-August/082141.html

I don't use cabal install, but maybe you could try just re-installing
regex-posix, then once its working reinstall the dependencies. That
seemed to be the solution in the Cafe thread.