[OE-core] [PATCH] bitbake.conf: add BB_CURRENT_MC to OVERRIDES

[Peter Kjellerstedt]

> -----Original Message-----
> From: openembedded-core-bounces at lists.openembedded.org
> [mailto:openembedded-core-bounces at lists.openembedded.org] On Behalf Of
> Richard Purdie
> Sent: den 10 juni 2018 21:29
> To: Ming Liu <liu.ming50 at gmail.com>; OE-core <openembedded-
> core at lists.openembedded.org>
> Subject: Re: [OE-core] [PATCH] bitbake.conf: add BB_CURRENT_MC to
> OVERRIDES
> 
> On Sun, 2018-06-10 at 20:45 +0200, Ming Liu wrote:
> > I saw your comment as follows:
> >
> > > This adds "" in OVERRIDES in the default case. Whilst I think (but
> > am not 100% sure) we fixed bitbake not to break on such a value, I'm
> > not convinced adding empty elements to it is a good idea and this did
> > used to break things.
> >
> > No, it will add "default" to OVERRIDES in the default case.
> 
> That is even worse, we do not want to add "default" to overrides since
> any variable containing that word would then be at risk of weird
> breakage.
> 
> Cheers,
> 
> Richard

You could add it as ":mc-${BB_CURRENT_MC}:" to OVERRIDES to avoid the 
ambiguity, similar to the pn- and df- prefixes used for recipe names 
and distro features.

//Peter