[OE-core] backfill mechanism

[Huang, Jie (Jackie)]

> -----Original Message-----
> From: Mark Hatle [mailto:mark.hatle at windriver.com]
> Sent: Monday, November 27, 2017 23:46
> To: Slater, Joseph; openembedded-core at lists.openembedded.org
> Cc: MacLeod, Randy; Huang, Jie (Jackie)
> Subject: Re: backfill mechanism
> 
> On 11/17/17 5:32 PM, Slater, Joseph wrote:
> > The backfill mechanism is not compatible with multilib.  This could possibly be
> > fixed, but the backfill_considered functionality is also obscure, so I think in
> > at least the machine related .inc files we should replace lines like
> >
> >
> >
> > MACHINE_FEATURES_BACKFILL_CONSIDERED_append = "
> > ${@bb.utils.contains('TUNE_FEATURES', 'n32', 'qemu-usermode', '', d)}"
> >
> 
> This not working with multilibs is definitely a bug that we need to file with
> the community.  We can use the stuff below as a workaround.  But all features
> should work properly with the multilib configurations.
> 
> Please open a bug in the Yocto System and our own (pointing to the YP bugzilla)

I already opened a bug in YP Bugzilla:
https://bugzilla.yoctoproject.org/show_bug.cgi?id=12373

And we have also one in our own.

Thanks,
Jackie

> so we can at the minimum track this.
> 
> --Mark
> 
> >
> > with lines like
> >
> >
> >
> > MACHINE_FEATURES_remove_mipsarchn32 = " qemu-usermode"
> >
> >
> >
> > There are two advantages:  the second line works for multilib, and it is far
> > more readable.
> >
> >
> >
> > Joe
> >
> >
> >