I was using integer-gmp. And sadly make -j2 locks up way before getting to integer-gmp.
Simon
From: Niklas Larsson [mailto:metaniklas@gmail.com]
Sent: 28 August 2013 18:08
To: Simon Peyton-Jones
Cc: Kyle Van Berendonck; ghc-devs@haskell.org
Subject: Re: make -jN loops on Windows
Hi!
I have a hint of what could be wrong.
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.
Niklas
2013/8/28 Simon Peyton-Jones mailto:simonpj@microsoft.com>
I tried make -j2, which locked up. "sh validate" used -j but I'm not sure with what N.
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 http://www.mingw.org/, using the download installer "Mingw-get-setup.exe".
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.
Simon
From: ghc-devs [mailto:ghc-devs-bounces@haskell.orgmailto:ghc-devs-bounces@haskell.org] On Behalf Of Niklas Larsson
Sent: 27 August 2013 23:56
To: Kyle Van Berendonck
Cc: ghc-devs@haskell.orgmailto:ghc-devs@haskell.org
Subject: Re: make -jN loops on Windows
Hi!
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.
Niklas
2013/8/27 Kyle Van Berendonck mailto:kvanberendonck@gmail.com>
Hi Simon,
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.
Regards,
Kyle Van Berendonck
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