simultaneous ghc versions

[Josef Svenningsson]

On Fri, Jul 31, 2015 at 10:31 PM Erik de Castro Lopo <mle+hs at mega-nerd.com>
wrote:

> I maintaing multiple versions of GHC on all the machines I use regularly
> for Haskell development. I have:
>
> * ghc-7.6.3 installed under /usr/lib/ghc-7.6/
> * ghc-7.8.4 installed under /usr/lib/ghc-7.8/
> * ghc-7.10.2 installed under /usr/lib/ghc-7.10/
>
> To switch between versions all I need to do is modify $PATH
> to remove say /usr/lib/ghc-7.6/bin and add /usr/lib/ghc-7.10/bin.
> This lets me have two terminal window side by side with different
> versions of GHC.
>
> I actually have a shell function to to do this PATH mangling. I can
> document this more fully if anyone is interested.
>
>
I have a similar setup where I install different versions of GHC in
different directories. But I use GNU stow[1] to create and remove symlinks
in /usr/local/* so that I can use one version of GHC as the default.

[1] https://www.gnu.org/software/stow/

Josef
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/glasgow-haskell-users/attachments/20150802/9a1f6da9/attachment.html>