[Haskell-cafe] Access violation when stack haddock haskell-src-exts since LTS 12.0

[Jeroen Bransen]

Hi cafe,

Is there anyone on this list that can explain how to replace the haddock 
executable to solve the problem below? I replaced some haddock binary 
(which I build adding haddock-api-2.20.0 to my global stack config and 
doing stack install haddock), and I now have:

$ ~/.stack/programs/x86_64-linux/ghc-8.4.3/bin/haddock --version
Haddock version 2.20.0, (c) Simon Marlow 2006
Ported to use the GHC API by David Waern 2006-2008

This seems to be the latest Haddock release (and I am using Stack 1.7.1 
which is also the latest), but my `stack haddock` build still results 
the same error as below (ExitFailure (-11)).

Jeroen Bransen

Op 26-7-2018 om 16:53 schreef Saurabh Nanda:
> Hi,
>
> How does confirm that this bug is being hit. `stack haddock 
> haskell-src-exts` on LTS-12.1 fails with the following cryptic error:
>
>     --  While building custom Setup.hs for package 
> haskell-src-exts-1.20.2 using:
> /home/vl/.stack/setup-exe-cache/x86_64-linux/Cabal-simple_mPHDZzAJ_2.2.0.1_ghc-8.4.3 
> --builddir=.stack-work/dist/x86_64-linux/Cabal-2.2.0.1 haddock --html 
> --hoogle --html-location=../$pkg-$version/ 
> --haddock-option=--hyperlinked-source
>     Process exited with code: ExitFailure (-11)
>     Logs have been written to: 
> /home/vl/vacationlabs/haskell/.stack-work/logs/haskell-src-exts-1.20.2.log
>
> The log file doesn't contain an error.
>
> How does one upgrade the haddock version and get stack to use it?
>
> -- Saurabh.
>
>
> On Mon, Jul 23, 2018 at 11:58 AM Sven Panne <svenpanne at gmail.com 
> <mailto:svenpanne at gmail.com>> wrote:
>
>     Am Mo., 23. Juli 2018 um 05:49 Uhr schrieb Yuji Yamamoto
>     <whosekiteneverfly at gmail.com <mailto:whosekiteneverfly at gmail.com>>:
>
>         Thank you very much!
>
>         I confirmed the replaced haddock executable can successfully
>         generate the docs!
>
>
>     Yesterday I had quite some trouble because of the Haddock problem,
>     too, and I guess I'm not alone: haskell-src-exts has 165 direct
>     reverse dependencies, so probably hundreds of Hackage packages are
>     affected by this. The workaround is simple (don't use --haddock
>     with stack), but far from satisfying and not very obvious.
>
>     Given the fact that this affects a very central piece of the
>     Haskell infrastructure in its latest stable incarnation (GHC
>     8.4.3): Can we have an 8.4.4 with a fixed Haddock?
>     _______________________________________________
>     ghc-devs mailing list
>     ghc-devs at haskell.org <mailto:ghc-devs at haskell.org>
>     http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
>
>
>
> -- 
> http://www.saurabhnanda.com
>
>
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