<div dir="ltr">Other than using integer-simple I haven't done anything strange, just standard mingw. I'm using the 'quick' flavour in my <a href="http://build.mk">build.mk</a>.<div><br></div><div>One thing to try is to use -d with make (and maybe tee the output to a file, it produces tons of stuff). Then it may be possible to pinpoint where it hangs.</div>
<div><br></div><div>Niklas</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/8/29 Simon Peyton-Jones <span dir="ltr"><<a href="mailto:simonpj@microsoft.com" target="_blank">simonpj@microsoft.com</a>></span><br>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I was using integer-gmp. And sadly make –j2 locks up way before getting to integer-gmp.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Simon<u></u><u></u></span></p>
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<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""> Niklas Larsson [mailto:<a href="mailto:metaniklas@gmail.com" target="_blank">metaniklas@gmail.com</a>]
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<b>Sent:</b> 28 August 2013 18:08<br>
<b>To:</b> Simon Peyton-Jones<br>
<b>Cc:</b> Kyle Van Berendonck; <a href="mailto:ghc-devs@haskell.org" target="_blank">ghc-devs@haskell.org</a></span></p><div><div class="h5"><br>
<b>Subject:</b> Re: make -jN loops on Windows<u></u><u></u></div></div><p></p>
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Hi!<u></u><u></u></p>
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I have a hint of what could be wrong.<u></u><u></u></p>
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I looked through my configuration and saw that I used integer-simple. When I changed it to integer-gmp it blew up with -j4 (it didn't hang though, it errored out in the linking phase). The build went fine after I reran without -j.<u></u><u></u></p>
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<u></u> <u></u></p>
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Niklas<u></u><u></u></p>
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2013/8/28 Simon Peyton-Jones <<a href="mailto:simonpj@microsoft.com" target="_blank">simonpj@microsoft.com</a>><u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I tried make –j2, which locked up. “sh validate” used –j but I’m not sure with what N.</span><u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">It’s tantalising if it worked for you! And it worked fine on my old Win7 laptop. Where did you
get your mingw/msys installation from? I got mine from <a href="http://www.mingw.org/" target="_blank">
http://www.mingw.org/</a>, using the download installer “Mingw-get-setup.exe”.</span><u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I have also just unravelled another bizarre failure, which I’ll describe in a separate email. Sadly
resolving the latter does not fix the make –j2 problem.</span><u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Simon</span><u></u><u></u></p>
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<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>Niklas Larsson<br>
<b>Sent:</b> 27 August 2013 23:56<br>
<b>To:</b> Kyle Van Berendonck<br>
<b>Cc:</b> <a href="mailto:ghc-devs@haskell.org" target="_blank">ghc-devs@haskell.org</a><br>
<b>Subject:</b> Re: make -jN loops on Windows</span><u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:6.0pt">Hi!<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:6.0pt">Are you using make -j with or without number of jobs? I tried with make -j4 on my Windows 8 machine and it worked well.<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:6.0pt">Niklas<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:6.0pt">2013/8/27 Kyle Van Berendonck <<a href="mailto:kvanberendonck@gmail.com" target="_blank">kvanberendonck@gmail.com</a>><u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:6.0pt">Hi Simon,<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:6.0pt">I think this is a MinGW bug. If we're talking about the same bug (lockup, no console output, task manager shows cpu but it doesn't produce files, etc) I get it when building other projects
with -j too and I don't think its GHC's fault.<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:6.0pt">Regards,<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:6.0pt">Kyle Van Berendonck<u></u><u></u></p>
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