[Haskell-cafe] downgrading GHC version on a Mac
gershomb at gmail.com
Wed Apr 11 01:39:27 UTC 2018
You can install multiple versions of ghc with the haskell platform — just procure the one for the appropriate version of GHC and install it. Swapping between versions can be done with the activate-hs script that is installed for you.
That said, there is also a ghc-8.0 branch of ghcjs that should work with 8.0.1
On April 5, 2018 at 2:08:22 PM, Dennis Raddle (dennis.raddle at gmail.com) wrote:
I'm on a MacBook Pro. I'm not very familiar with software installation.
Up until now I've been using Stack for GHC work, and it seems to take care of having the right version of GHC.
Now I'm going to use GHCJS, and I need to have a system GHC installed (I believe). At some point in the past I installed the Haskell Platform for Mac, and I have GHC 8.01. But I want to downgrade that to 7.10 so that I don't have to worry about compatibility with GHCJS.
How do I go about uninstalling GHC 8 and installing 7.10 in its place? Can I use Homebrew?
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