7.8 Release Update

Johan Tibell johan.tibell at gmail.com
Tue Sep 10 01:15:45 CEST 2013


That sounds terrible expensive to do on every `cabal build` and its a
cost most users won't understand (what was broken before?).

On Mon, Sep 9, 2013 at 4:06 PM, Edward Z. Yang <ezyang at mit.edu> wrote:
> If I am building some Haskell executable using 'cabal build', the
> result should be *statically linked* by default.
>
> However, subtly, if I am building a Haskell library, I would like to
> be able to load the compiled version into GHCi.
>
> So it seems to me cabal should produce v, dyn (libs only, not final
> executable) and p ways by default (but not dyn_p).
>
> Edward
>
> Excerpts from Kazu Yamamoto (山本和彦)'s message of Mon Sep 09 15:37:10 -0700 2013:
>> Hi,
>>
>> > Kazu (or someone else), can you please file a ticket on the Cabal bug
>> > tracker [1] if you think that this a Cabal bug?
>>
>> I'm not completely sure yet.
>>
>> GHCi 7.8 uses dynamic linking. This is true.
>>
>> So, what is a consensus for GHC 7.8 and cabal-install 1.18? Are they
>> supposed to use dynamic linking? Or, static linking?
>>
>> If dynamic linking is used, GHC should provide dynamic libraries for
>> profiling.
>>
>> If static linking is used, cabal-install should stop using dynamic
>> libraries for profiling.
>>
>> And of course, I can make a ticket when I'm convinced.
>>
>> P.S.
>>
>> Since "doctest" uses GHCi internally, I might misunderstand GHC 7.8
>> uses dynamic linking. Anyway, I don't understand what is right yet.
>>
>> --Kazu
>>
>
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