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Today's Topics:
1. Re: How to change base version easily? (Sylvain Henry)
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Message: 1
Date: Fri, 29 May 2020 14:00:00 +0200
From: Sylvain Henry <[email protected]>
To: <[email protected]>
Subject: Re: [Haskell-beginners] How to change base version easily?
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"; format=flowed
Using haskell packages provided by ArchLinux is a pain (cf
https://wiki.archlinux.org/index.php/Haskell). You have to tweak
~/.cabal/config, etc.
I would recommend using `stack` as it manages ghc installations itself.
You could also use ghcup+cabal-install.
Cheers,
Sylvain
On 29/05/2020 12:56, Francesco Ariis wrote:
> Hello July,
>
> Il 29 maggio 2020 alle 18:35 Treee July ha scritto:
>> Hello,
>> I installed the latest version of ghc, which caused one of my packages does
>> not satisfy the constraint of the version. I just wondering if there exists
>> a convenient way to degrade the version of the base. I use Arch Linux,
>> which is not easy to install an elder version.
> if you are using cabal, --allow-newer can ease some of the pain. Failing
> that, -w will work — but you need to download and locally install the
> appropriate ghc first.
> Let us know if that’s enough
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