[Haskell-cafe] library version problem

[Ketil Malde]

"Galchin, Vasili" <vigalchin at gmail.com> writes:

>> ghci
>       :m System.Posix
>
> I am getting the wrong version of the Unix package. I know this to be true
> because I did
> ghc-pkg latest unix
>
> and got unix-2.3.0.0
>
> I want unix.2.2.0.0 because this version has changes that I made

Naturally, you'll get 2.3.0.0, since it has the highest version number!

Either rename your modified version to 2.4 (or similar), specify the
exact version in your *application's* cabal file, or use
"ghc-pkg hide" to hide version 2.3.0.0 from view.

-k
-- 
If I haven't seen further, it is by standing in the footprints of giants