From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH 5/5] hvmloader: add knob for fixed VGABIOS
	date string
Date: Wed, 25 Mar 2015 10:55:21 +0000
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To: Olaf Hering <olaf@aepfle.de>
Cc: Wei Liu <wei.liu2@citrix.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, xen-devel@lists.xen.org
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On Wed, 2015-03-25 at 09:46 +0100, Olaf Hering wrote:
> On Tue, Mar 24, Ian Campbell wrote:
> 
> > Is it expected that they should all be settable independently? Or would
> > one global setting be sufficient?
> 
> A single timestamp would be nice, sure.
> 
> > If so then a single variable which can be set to something accepted by
> > date -d which could be formatted in each location would seem preferable.
> 
> I did consider that. But that adds a dependency on 'date -d'. Not sure
> if every build environment supports that. On Linux everyone will most
> likely run date(1) from coreutils, which understands -d. Not sure about
> BSD. I dont have access to BSD right now to check if their date
> understands it. Their online manuals state that -d means something
> else...
> 
> http://netbsd.gw.com/cgi-bin/man-cgi?date++NetBSD-current
> http://www.freebsd.org/cgi/man.cgi?query=date
> http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man1/date.1?query=date

Plus http://pubs.opengroup.org/onlinepubs/9699919799/utilities/date.html
doesn't mention -d at all, which si a shame.

> In the end I think its acceptable to have a number of variables from
> environment or make cmdline. Its only used during automated package
> build.

OK, I guess we can live with it.

Ian.