[darcs-devel] [issue2642] compile version 2.14.2 with ghc 8.8

Ben Franksen bugs at darcs.net
Thu Apr 16 21:27:10 UTC 2020


Ben Franksen <ben.franksen at online.de> added the comment:

> I try to compile darcs 2.14.2 on NixOS with ghc 8.8.
> I've finally follow the "hacks" from [arch] and submit a PR to [nixos].
> 
> But to ease the packaging work, is there a chance to get a new version uploaded to hackage?

Porting darcs to build with ghc-8.8 is difficult because of the
MonadFail changes. We use fail in a number of internal monad
transformers. I have no idea how to fix the errors in a backward
compatible manner. If you happen to know how to do this, I would
appreciate advice.

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