I don't think you can do it in <a href="http://validate.mk">validate.mk</a>,<div><br></div><div>Only <a href="https://github.com/ghc/ghc/blob/master/testsuite/driver/runtests.py#L144">https://github.com/ghc/ghc/blob/master/testsuite/driver/runtests.py#L144</a> here as far as I know. I also constantly have to watch out I don't commit it though <br><br><div class="gmail_quote"><div dir="ltr">On Mon, Jul 4, 2016, 13:56 Simon Peyton Jones <<a href="mailto:simonpj@microsoft.com">simonpj@microsoft.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Let’s re-enable it. Or: how can I selectively re-enable it for in my <a href="http://validate.mk" target="_blank">validate.mk</a>?<u></u><u></u></span></p>
<p class="MsoNormal"><a name="m_-2073959873848225222__MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></a></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> ghc-devs [mailto:<a href="mailto:ghc-devs-bounces@haskell.org" target="_blank">ghc-devs-bounces@haskell.org</a>]
<b>On Behalf Of </b>Phyx<br>
<b>Sent:</b> 04 July 2016 13:05<br>
<b>To:</b> Erik de Castro Lopo <<a href="mailto:mle%2Bhs@mega-nerd.com" target="_blank">mle+hs@mega-nerd.com</a>>; ghc-devs <<a href="mailto:ghc-devs@haskell.org" target="_blank">ghc-devs@haskell.org</a>><br>
<b>Subject:</b> Re: Linker.c broken<u></u><u></u></span></p>
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<p>There used to be a bug in the msys2 runtime which made certain processes hang on exit in a non deterministic way.
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<p>So the parallel runs was disabled. I was looking into it but haven't been able to reproduce it at all in months now since either upgrading msys2 or Windows (to Windows 10).
<u></u><u></u></p>
<p>We have a ticket with more information on it and what I found back then, but haven't been able to progress.
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<p>It might be that they've just fixed it in the mean time. <u></u><u></u></p>
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<p class="MsoNormal">On Mon, Jul 4, 2016, 12:58 Erik de Castro Lopo <<a href="mailto:mle%2Bhs@mega-nerd.com" target="_blank">mle+hs@mega-nerd.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">Phyx wrote:<br>
<br>
> I can build and validate in about an hour myself using 9 jobs on a core i7.<br>
> If I revert the change in the testsuite preventing parallel runs for<br>
> Windows<br>
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Oh dear, why is that?<br>
<br>
Erik<br>
--<br>
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Erik de Castro Lopo<br>
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