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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Robert Yang <liezhi.yang@windriver.com>
Date: Fri, 30 Aug 2013 16:29:23 +0100
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Subject: Re: [PATCH 1/1] sstate.bbclass: check before open the manifest
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On Fri, 2013-08-30 at 09:24 +0800, Robert Yang wrote:
> 
> On 08/30/2013 01:00 AM, Richard Purdie wrote:
> > On Thu, 2013-08-29 at 09:13 -0400, Robert Yang wrote:
> >> The python stack trace would be printed if we:
> >>
> >> $ bitbake make (the make-3.82 will be built)
> >> // Edit make.inc
> >> $ bitbake make-3.81
> >
> > This is at best hiding the real problem. Why is bitbake building
> > make-3.82 when you asked for make-3.81?
> >
> > I tried this here and also see the warning:
> >
> > ERROR: Multiple .bb files are due to be built which each provide make
> > (/media/build1/poky/meta/recipes-devtools/make/make_3.81.bb /media/build1/poky/meta/recipes-devtools/make/make_3.82.bb).
> >   This usually means one provides something the other doesn't and should.
> >
> > so bitbake is basically telling you there is a problem already. So there
> > are two issues:
> >
> 
> What I thought was that let the user know the normal error, but we can do
> more to fix it as you pointed out.
> 
> > a) Why is make 3.82 being built?
> 
> Ah, yes, that's problem, I will do more investigation.
> 
> > b) If multiple identical PNs are being built we probably should hard
> > error out since its not supported in the slightest. The sstate race you
> > mention is the least of the problems :(.
> >
> 
> OK, I will try to fix such a case:
> 
> bitbake make-3.81 make-3.82

I think this should just give an error.

Cheers,

Richard