GHC build failure

Thomas Miedema thomasmiedema at
Thu Jun 11 14:49:07 UTC 2015

Maybe you forgot `git submodule init` or `git submodule update`? See this
page for a simple trick to never forget again:

If that didn't work, do a `make maintainer-clean` and try again.

On Thu, Jun 11, 2015 at 4:37 PM, Wolfgang Jeltsch <
g9ks157k at> wrote:

> Hi,
> I just updated my GHC HEAD copy via git pull and tried to rebuild GHC
> with BuildFlavour set to devel2. I got the following error message:
>     ghc/InteractiveUI.hs:68:8: error:
>         Could not find module ‘Control.DeepSeq’
>         It is a member of the hidden package
>deepseq- at deeps_6vMKxt5sPFR0XsbRWvvq59’.
>         Use -v to see a list of the files searched for.
> Any ideas what to do?
> All the best,
> Wolfgang
> _______________________________________________
> ghc-devs mailing list
> ghc-devs at
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