Hi. What has worked for me is to install a binary package for 7.4.1:
http://www.haskell.org/ghc/download_ghc_7_4_1#binaries
You can install it someplace special by giving
--prefix=/someplace/special to the configure script. Then, adjust
your path to hit /someplace/special/bin before it hits the location of
your GHC 7.2.
Maybe there's a preferred way, but this works for me (juggling 6.12.3,
7.0.4 and 7.4.1).
-Andrew
On Sun, Mar 11, 2012 at 4:58 PM, G wrote:
> Am new to haskell, but one thing I wanted to try out was the performance of
> an app in haskel. Having issues getting it to compile under ghc 7.0.4. The
> owner recommend trying to upgrade to 7.2/7.4
>
> I see a warning that the haskell-platform isn't compatible with with 7.4.1,
> or so my homebrew install says.
>
> Can it be made to compile ?? Can I remove the haskell-platform and then
> install the dev tools from the haskell-platform via cabal etc once I have
> moved to 7.4.x etc ?
>
> Thanks
>
>
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