[Haskell-cafe] project compile with multi-versions of alex

Geoffrey Mainland mainland at apeiron.net
Mon Jan 18 05:59:20 UTC 2016

How about using language-c-quote 0.11.4?


On 01/17/2016 07:48 PM, Zilin Chen wrote:
> Hi Cafe,
> I have a Haskell project which has ~90 dependencies (transitively) and
> is managed with plain cabal (w/o stackage, etc.). I try to keep it
> compile with a few latest releases of GHC (so right now 7.8.4, 7.10.1,
> 7.10.2 and 7.10.3).
> It was tractable with conditionals in the cabal config file with minor
> annoyance. But recently I found this issue:language-c-quote-0.11.3
> does not compile with alex 3.1.5 [1]. I was wondering if I should also
> allow a few versions of executables, like alex, happy, etc (I can see
> though it will be a huge pain); or should I force all users to use the
> latest versions of them (I don't know if they are compatible with old
> ghc versions)? What's the common practice for other projects? Any
> hints? What should I write in my cabal config?
> Thanks,
> Zilin
> [1]https://github.com/mainland/language-c-quote/issues/57

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