[Haskell-cafe] Project builds with stack, not with cabal. How to diagnose?

[Han Joosten]

Hi Simon,

Thank you very much for this great help. I Have created an issue for my
project, so I can follow up on my findings and fix this. I have run both
ways to get dependency lists, and tbh I am pretty astonished by the amount
and sort of differences. More on this in mentioned issue:
https://github.com/AmpersandTarski/Ampersand/issues/1142

Again, Thanks a lot!

Cheers,
Han

Op vr 29 jan. 2021 om 22:15 schreef Simon Jakobi <
simon.jakobi at googlemail.com>:

> (I forgot to CC the list)
>
> Hi Han,
>
> with stack, you can use `stack ls dependencies` to get a list of your
> dependencies with versions. With cabal, you can use `cabal freeze`.
>
> The error message you linked indicates that changes in microlens or lens
> might be the problem. Both have exported (^?) for a long time though. It
> turns out that you're re-exporting the entirety of RIO from
> Ampersand.Basics (via Ampersand.Basics.Prelude). And RIO has only recently
> begun to export parts of microlens:
> http://hackage.haskell.org/package/rio-0.1.20.0/changelog.
>
> Cheers,
> Simon
>
> Am Fr., 29. Jan. 2021 um 21:47 Uhr schrieb Han Joosten <
> han.joosten.han at gmail.com>:
>
>>
>>
>> Dear Café,
>>
>> I have been building my project for quite some time now using Stack. That
>> works fine. However, I also want to make sure cabal users can build it from
>> source.
>>
>> Recently I have been trying to set this up using github actions. I use a
>> matrix to build both with stack and with cabal. I use the same version of
>> ghc.
>>
>> A recent build can be seen here:
>> https://github.com/AmpersandTarski/Ampersand/runs/1756887612
>>
>> I guess that the error is due to the fact that the used packages to build
>> are somehow different between the stack build and the cabal build.
>> Is there some way to find out what those differences are?
>>
>> Any help would be appreciated!
>>
>> Thanks
>>
>> Han Joosten
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