How to run the testsuite with an out of tree compiler?

Matthew Pickering matthewtpickering at
Sat Feb 1 14:20:22 UTC 2020

I managed to hack something together by directly using `make` and
hardcoding some paths. Now happily running the testsuite..



On Sat, Feb 1, 2020 at 9:41 AM Matthew Pickering
<matthewtpickering at> wrote:
> I am trying to run `ghcide` on GHC's tests.
> The documentation says that I should pass `--test-compiler=..` to
> hadrian in order to do this. When I do this however it starts trying
> to configure a bunch of packages and starting to build stuff.
> I don't want hadrian to build anything, I just want it to use my
> patched version of GHC when running certain tests!
> How can I achieve this?
> Cheers,
> Matt

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