[Haskell-beginners] How to install new GHC ?

[Francesco Ariis]

On Tue, Dec 12, 2017 at 04:06:44PM +0200, Baa wrote:
> I done it, but got the same error. My project uses several my packages
> (libraries), they are called 'my-*'. I changed in their .cabal-files
> versions range of "base" too, but error is the same. Build-depends
> stanza of executable looks like:
> 
> [...]

Ok, most likey some package maintainer hasn't update their boundaries
to work with 8.2.2.
Go with

    cabal new-build --allow-newer

and maybe politely nudge maintainers to relax their dep.bounds
appropriately
-F