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I'm using Arch Linux, and while Haskell is well supported, with plenty of packages that are mostly fresh and up to date versions, there is a problem with versions and dependencies.
A typical Haskell package depends on several other packages. For example, it may depend on version 1.0.1. It's extremely common that one or more of the packages that another package depends on have been updated to "1.0.2", thus breaking the dependency on the "1.0.1" version.
If you're trying to install a Haskell package that is high up in the pyramid-like dependency tree, like a GUI-application or a game, you can be quite sure that it will only be possible to install for a few days at a time, until the installation will fail, because an obscure package for transmogrifying monads has been updated from version 3.0.4 to 3.0.5.
Also, the whole idea of an "arch-haskell" team owning all the Haskell packages, instead of trusted users or regular users of the AUR is a terrible idea, as they are slow at updating the packages, compared to the alternative. I how no idea why there has been made an exception for how Haskell packages are treated, as this is uncommon for Arch Linux.
I have experienced cases where the only way to fix mysterious compilation-problems with a Haskell package has been to uninstall and then reinstall all the Haskell dependencies, including ghc.
All in all, Arch is fantastic for Haskell development, but it's easy to get caught up in a sea of broken packages the moment you're not just installing a package low in the dependency pyramid. This is usually due to incompatible minor version numbers, not incompatible code.
I love both Arch Linux and Haskell, but still think this is a problem.
Update #1: Arch has stopped having an "arch-haskell" team that owns all the haskell packages, and should now be the prime choice for Haskell developers everywhere.
Update #2: I don't think the probl
on Debian & Ubuntu, you can install Haskell very easily.. You just have to type some command onto the terminal, and it will do the rest..
just follow this link, it is about "Haskell installation on linux".. the link is to my blog only.. i think it will be helpful..
http://akashjagdhane.blogspot.in/2013/02/installing-all-packages-of-haskell-so.html