http://sourceforge.net/projects/msys2/ is *much* better than stock msys. I've successfully built ghc HEAD quite recently (a month ago or so) using it.


On Tue, Oct 1, 2013 at 7:24 PM, Simon Peyton-Jones <simonpj@microsoft.com> wrote:
Yes; it appears that in the current MSYS release,  'make -jn' goes into an infinite loop. This is very depressing.  I do not know a fix.

If you google around and find a fix, do tell us.  Currently I have to use THREADS=1 all the time

Simon

| -----Original Message-----
| From: ghc-devs [mailto:ghc-devs-bounces@haskell.org] On Behalf Of Edsko
| de Vries
| Sent: 01 October 2013 16:21
| To: ghc-devs@haskell.org
| Subject: Make spins with THREADS>1 on Win 7
|
| Hi all,
|
| Trying to get a build going on Win 7. On both the 32-bit and the
| 64-bit version running 'sh validate' stalls at
|
| "inplace/bin/mkdirhier" utils/touchy/dist/build/tmp//.
|
| At this point nothing happens, other than that I seem to have 100% CPU
| usage; 'ps' only shows two make processes, but no further
| subprocesses. Not sure what's going on here. Running 'sh validate
| --no-clean' after killing both make processes at this point stalls at
| the same point; running it with THREADS=1 seems to resolve the issue.
|
| Anybody any idea what might be going on?
|
| Edsko
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