[Haskell-cafe] What is a good way to test library on several ghc's?

Edward Z. Yang ezyang at mit.edu
Mon Mar 13 07:36:18 UTC 2017

If you are on Ubuntu, check out hvr's PPA:

https://github.com/hvr/multi-ghc-travis may also be of interest

Excerpts from Anton Kholomiov's message of 2017-03-13 10:27:15 +0300:
> Someone asked to add support in my lib for older version of GHC.
> I know that there are GHC-version specific pragmas to
> activate the code on specific version.
> I'm not quite sure how to setup the environment to use several GHCs.
> How do you do that kind of thing?
> Cheers!
> Anton

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