[Haskell-beginners] Why is cabal trying to install a particular dependency?

[Peter]

Ben Gamari <ben <at> smart-cactus.org> writes:

> Passing -v3 to cabal will cause it to emit all manner of useful (and less
than useful) information. It's
> particularly handy when trying to identify which package is holding back a
dependency.
> 
> Unfortunately it can be a bit tricky to quickly parse but grep can help here.

Not ideal, but a definite improvement on what I was doing before!