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Re: autoconf-2.68: test 199 hangs under Cygwin

From: Eric Blake
Subject: Re: autoconf-2.68: test 199 hangs under Cygwin
Date: Thu, 23 Sep 2010 06:14:56 -0600
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On 09/23/2010 06:07 AM, Eric Blake wrote:
On 09/23/2010 01:03 AM, Ralf Corsepius wrote:

I just gave autoconf-2.68 a try under Cygwin. Is this supposed to work
rsp. does this work for anybody?

Cygwin has known bugs with named pipes, and they are so severe that
autotest parallel tests are known to fail on that platform. There's
nothing autoconf can do about it until cygwin's pipe implementation is

Unless you can find a quickie shell test that validates whether the named pipe implementation is buggy and can thus skip parallel testing on cygwin in the first place (I haven't yet found such a test that rules out cygwin but without hanging). We already have other quickie tests, like whether set -m works, whether mkfifo works and whether trap ... STOP works; but the problem is all three of those work on cygwin.

Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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