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<p>Thanks Sandy, it seems like that did the job<br>
</p>
<div class="moz-cite-prefix">Am 23.08.19 um 18:04 schrieb Sandy
Maguire:<br>
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<blockquote type="cite"
cite="mid:CADRtjwbNYnqFomG-QJBqOD3tb=dXcHvnPuMhERTtcQtmxcckFQ@mail.gmail.com">
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<div dir="ltr">Sometimes I see this if I forget to add a file to
the `exposed-modules` field of the cabal file. You might be
running into that?</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Fri, Aug 23, 2019 at 10:03
AM Jan van Brügge <<a href="mailto:jan@vanbruegge.de"
moz-do-not-send="true">jan@vanbruegge.de</a>> wrote:<br>
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<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">Hi,<br>
<br>
in order to clean up my code, I've moved a bunch of stuff to a
new<br>
source file, `TcRowTys.hs` that works similar to
`TcTypeNats.hs`. But<br>
when trying to compile a clean build of GHC, I get a linker
error:<br>
<br>
```<br>
<br>
| Run Ghc LinkHs Stage0: _build/stage0/ghc/build/c/hschooks.o
(and 1<br>
more) => _build/stage0/bin/ghc<br>
_build/stage0/lib/../lib/x86_64-linux-ghc-8.6.5/ghc-8.9.0.20190722/libHSghc-8.9.0.20190722.a(PrelInfo.o)(.text+0x2814):<br>
error: undefined reference to 'ghc_TcRowTys_rowTyCons_closure'<br>
_build/stage0/lib/../lib/x86_64-linux-ghc-8.6.5/ghc-8.9.0.20190722/libHSghc-8.9.0.20190722.a(PrelInfo.o)(.data+0x578):<br>
error: undefined reference to 'ghc_TcRowTys_rowTyCons_closure'<br>
_build/stage0/lib/../lib/x86_64-linux-ghc-8.6.5/ghc-8.9.0.20190722/libHSghc-8.9.0.20190722.a(TcHsType.o)(.data+0xdd8):<br>
error: undefined reference to 'ghc_TcRowTys_rnilTyCon_closure'<br>
collect2: Fehler: ld gab 1 als Ende-Status zurück<br>
`gcc' failed in phase `Linker'. (Exit code: 1)<br>
<br>
```<br>
<br>
I had a look at the Wiki including the FAQ, but did not fine
anything<br>
about that topic. Does someone know what I have to do for this
to work?<br>
<br>
Cheers,<br>
Jan<br>
<br>
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-- <br>
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<div>I'm currently traveling the world, sleeping on people's
couches and doing full-time collaboration on Haskell
projects. If this seems interesting to you, please consider
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