[Haskell-beginners] cabal install happstack

[Brent Yorgey]

On Mon, Oct 24, 2011 at 01:37:19AM +0200, Gary Klindt wrote:
> 
> I wanted to deselect containers:
> > ghc-pkg unregister containers-0.4.1.0
> -ghc-pkg: unregistering containers-0.4.1.0 would break the following
> packages: Cabal-1.10.2.0 (use --force to override)

By the way, if you just want to hide a package so that it will not be
considered when building other packages, you should use 'ghc-pkg
hide', not 'ghc-pkg unregister'.

-Brent