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Date: Fri, 25 Sep 2009 17:29:00 -0000
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From: DJ Delorie <dj@redhat.com>
To: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
CC: cygwin@cwilson.fastmail.fm, nickc@redhat.com, gcc-patches@gcc.gnu.org,         gdb-patches@sourceware.org, binutils@sourceware.org
In-reply-to: <20090925172108.GA1808@gmx.de> (message from Ralf Wildenhues on 	Fri, 25 Sep 2009 19:21:09 +0200)
Subject: Re: RFA/RFC: Pass --cache-file=/dev/null on to subconfigures
References:  <20090925172108.GA1808@gmx.de>
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> Well, with upstream Autoconf, you only ever have one cache file anyway,

Does it properly handle parallel builds simultaneously trying to
update the cache, yet?  I've been adding a .NOTPARALLEL: to the
toplevel Makefiles of all my builds for some time now, to avoid cache
collision problems.