Unable to compile ghc-8.2.2 with ghc-8.4.3

Sam Halliday sam.halliday at gmail.com
Wed Aug 22 13:01:24 UTC 2018

Hi Ben,

What is the recommended way to build old versions of GHC? The
haskell.org binaries for, e.g. 7.8.3, do not work on my machine. If I
attempt to recompile ghc 7.8.3 with the haskell.org binary, I get
linkage errors.

Actually I'd love to be able to bootstrap a build without any ghc
installed... that would solve the problem. I heard about the "phase0"
approach from Vitaly Bragilevsky at his Lambdaconf talk this year. But
I've been unable to find any documentation about it.

Best regards,

On 22 August 2018 at 12:30, Ben Gamari <ben at smart-cactus.org> wrote:
> In general we don't support bootstrapping older GHCI with newer GHC.
> However, you may be able to hack something together by manually tweaking
> bounds.
> Cheers,
> - Ben
> --
> Sent from my Android device with K-9 Mail. Please excuse my brevity.
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