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Date:	Fri, 13 Jul 2012 08:53:50 -0600
From:	Eric Blake <eblake AT redhat DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: test -f //dot
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On 07/13/2012 05:39 AM, Paul Keir wrote:
> Hi,
>=20
> While running configure on llvm I get a hang on:
>=20
> ...
> checking for Graphviz... echo Graphviz
> checking for dot...
>=20
> The configure script has a line starting:
> if { test -f "$as_dir/$ac_word$ac_exec_ext" && ...
>=20
> The problem occurs when $as_dir is /
>=20
> test -f //dot
>=20
> ...also hangs (at least 15 mins.). I tested it on Linux and another
> cygwin machine, and test returns promptly there.
>=20
> (I *had* introduced / to the PATH by adding cygwin's install dir to my
> Windows PATH; to ease access to cygwin.bat.)

Try adding '///' instead of '/' to PATH, to avoid any other program
attempting a path lookup in // by accident.  That will at least speed up
your lookup time.

--=20
Eric Blake   eblake AT redhat DOT com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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