[Nix-dev] Use GHC 7.10.1 as default Haskell compiler in nixpkgs

[Mateusz Kowalczyk]

On 03/27/2015 04:21 PM, Shea Levy wrote:
> IMO (and this is not limited to Haskell) we should either always use
> the latest or, if the latest tends to provide a significantly
> different experience than the previous version, not have a default at
> all and require users to request a specific version. We do this for
> mysql in NixOS for example.
> 
>> On Mar 27, 2015, at 12:17 PM, Mateusz Kowalczyk
>> <fuuzetsu at fuuzetsu.co.uk> wrote:
>> 
>> Hi,
>> 
>> GHC 7.10.1 was officially released this morning. I wonder what the 
>> stance is to switching over to it as a default. If I remember
>> correctly, we switched do 7.8.x very quickly when that came out.
>> 
>> -- Mateusz K. _______________________________________________ 
>> nix-dev mailing list nix-dev at lists.science.uu.nl 
>> http://lists.science.uu.nl/mailman/listinfo/nix-dev
> 

Right, but at the same time we want binary caches. By ‘default’ I mean
mostly ‘the one that Hydra builds all the Haskell packages with’. I have
no doubt that we'd do this for multiple versions if the resources
allowed but Hydra is bogged down as it is.

-- 
Mateusz K.