[Haskell-beginners] -fglasgow-exts in .cabal

[Sumit Sahrawat, Maths & Computing, IIT (BHU)]

I used to take a look at cabal files from projects that I've used and found
to work. For example, IHaskell uses a lot of extensions [1].

[1]:
https://github.com/gibiansky/IHaskell/blob/master/ihaskell.cabal#L122-L126

On 9 July 2015 at 21:32, Imants Cekusins <imantc at gmail.com> wrote:

> Thank you Sumit.
>
> This is how far I got:
>
> if I put this right after hs-source-dirs:
>
> default-extensions:  FlexibleInstances
>
> , it works: ghc asks for MultiParamTypeClasses option.
>
> However if I add FlexibleInstances, MultiParamTypeClasses
> - either separated with comma or on the next line, the compiler parses
> .cabal and tries to build however prompts for FlexibleInstances again.
>
> How would I specify >1 option?
>



-- 
Regards

Sumit Sahrawat
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