From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1N8ARq-0005Te-Se
	for qemu-devel@nongnu.org; Wed, 11 Nov 2009 05:29:10 -0500
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1N8ARl-0005Sv-Pn
	for qemu-devel@nongnu.org; Wed, 11 Nov 2009 05:29:09 -0500
Received: from [199.232.76.173] (port=51761 helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1N8ARl-0005Sm-Jf
	for qemu-devel@nongnu.org; Wed, 11 Nov 2009 05:29:05 -0500
Received: from mx1.redhat.com ([209.132.183.28]:47136)
	by monty-python.gnu.org with esmtp (Exim 4.60)
	(envelope-from <quintela@redhat.com>) id 1N8ARj-0003Zg-Um
	for qemu-devel@nongnu.org; Wed, 11 Nov 2009 05:29:04 -0500
From: Juan Quintela <quintela@redhat.com>
In-Reply-To: <200911110307.27227.paul@codesourcery.com> (Paul Brook's message
	of "Wed, 11 Nov 2009 03:07:27 +0000")
References: <cover.1257428255.git.quintela@redhat.com>
	<20091105163741.GA3983@caradoc.them.org> <m3pr7wyl35.fsf@neno.mitica>
	<200911110307.27227.paul@codesourcery.com>
Date: Wed, 11 Nov 2009 11:28:37 +0100
Message-ID: <m33a4lfj8q.fsf@neno.mitica>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Subject: [Qemu-devel] Re: [PATCH 0/2] Build fixes
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Paul Brook <paul@codesourcery.com>
Cc: Daniel Jacobowitz <dan@codesourcery.com>, qemu-devel@nongnu.org

Paul Brook <paul@codesourcery.com> wrote:
> On Thursday 05 November 2009, Juan Quintela wrote:
>> Daniel Jacobowitz <dan@codesourcery.com> wrote:
>> > On Thu, Nov 05, 2009 at 05:17:46PM +0100, Juan Quintela wrote:
>> >> How are you compiling?
>> >> It works for me compiling in-tree with make -j3 (only 2 cores)
>> >
>> > I can reliably reproduce it by building all my QEMU configs at once.
>> > I think that's a four-core or eight-core machine, -j4 in each build,
>> > six separate qemu build trees.  I've reproduced it in a single build
>> > tree a couple of times, but not reliably.
>> 
>> I have no way to reproduce reliablely :(
>
> rm -f qemu-tool.[od] config-host.h
> make qemu-tool.o
>
> Reproduces reliably.
> The following patch should expose any similar failures:

My last series of build fixes serie fix this one also.
They are already on staging.

Thanks for the test case, Juan.

> --- a/rules.mak
> +++ b/rules.mak
> @@ -44,5 +44,6 @@ cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc 
> /dev/
>         @test -f $@ || cp $< $@
>
>  %.h-timestamp: %.mak
> +       sleep 60
>         $(call quiet-command, $(SRC_PATH)/create_config < $< > $@, "  GEN   
> $*.h
>         @cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
>
>
> Paul