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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Robert Yang <liezhi.yang@windriver.com>
Date: Thu, 29 Aug 2013 18:00:05 +0100
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Subject: Re: [PATCH 1/1] sstate.bbclass: check before open the manifest
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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:

a) Why is make 3.82 being built?
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 :(.

Cheers,

Richard