I'm also on Mac Leopard. I tried installing ghc 6.12 with Haskell Platform 2009.2.9.2-i386.dmg (ghc 6.10.4) for some reason, and ran into a bunch of problems (problems to me, anyway). I ended up uninstalling 6.12 and reinstalling haskell platform. Uninstall is easy, there is an uninstaller script in /Library/Frameworks/GHC.framework/Tools. (strangely, not in ..Frameworks/HaskellPaltform.framework). I'm still using Leopard, but would like to move to Snow Leopard once I get a few things out of the way. But I see that there are (or were) some tricks in getting ghc to work on OS X 10.6, apparently. These seem to be well documented, but, I'd rather spend the time on my own projects. Best, John V. On Wed, Mar 17, 2010 at 09:07:03PM -0700, Warren Harris wrote:
I installed haskell platform some time ago, and now I'm wondering what version I have. How do I find out?
Also, when the new one comes along on the 21st, is there a way to upgrade? Or if I must first uninstall the one I have now, how do I uninstall it?
Is it recommended to periodically upgrade packages that came with the platform (cabal upgrade), or is it recommended that they be left alone to avoid dependency incompatibilities. Similar question for ghc itself -- can/should it be upgraded in the context of haskell platform? (I was hoping to try Leksah, but it dies without ghc 6.12.1. I seem to have 6.10.4.)
Apologies in advance if this is all documented somewhere, but I couldn't find it on the haskell platform site/trac. BTW, I'm on Mac/Leopard -- love the fact that it didn't take hours to build everything!
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