Broken haddock in new GHC HEAD build

Ben Gamari ben at
Thu Apr 7 08:52:34 UTC 2016

Conal Elliott <conal at> writes:

> I built GHC HEAD from git yesterday (using GHC 7.10.3 on Mac OS 10.9.5),
> and the haddock I got dies with
Thanks for the report, Conal!

>     bash-3.2$ haddock --version
>     dyld: Symbol not found: _ghc_GHC_modInfoExportszugo_info
>       Referenced from:
> /Users/conal/git-repos/ghc-2016-04-05/inplace/lib/bin/haddock
>       Expected in:
> /Users/conal/git-repos/ghc-2016-04-05/compiler/stage2/build/libHSghc-8.1-ghc8.1.20160405.dylib
>      in /Users/conal/git-repos/ghc-2016-04-05/inplace/lib/bin/haddock
>     Trace/BPT trap: 5
> Luckily, I have a working haddock from 2016-03-07 sources that I copied
> into my new GHC bin (~/git-repos/ghc-2016-04-05/inplace/bin/) for now.

Hmm, this is quite concerning, especially considering I haven't observed
it in my own OS X builds. Are you sure you started from a clean tree
(e.g. ran `make distclean`)?


- Ben
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