[yocto] do_populate_sdk_ext always being triggered

[Andrea Galbusera]

On Wed, Sep 27, 2017 at 9:52 PM, Paul Eggleton <
paul.eggleton at linux.intel.com> wrote:

> Hi Andrea,
>
> On Wednesday, 27 September 2017 10:17:42 PM NZDT Andrea Galbusera wrote:
> > I noticed that periodically running 'bitbake -c do_populate_sdk_ext' for
> an
> > image in my CI loop does always trigger the task to be executed even if
> no
> > changes where applied either to metadata or to the configuration between
> > two iterations. Is this expected? If so, why? Shouldn't SDK artifacts
> > exploit the sstate as i.e. images do?
>
> Ideally yes, but it's hard for us to tell if the metadata has changed or
> not,
> given that we care not just about the actual metadata but also any other
> files
> (scripts etc.) that come with it. Thus we've erred on the side of making it
> build every time.
>

Fair enough! Thanks Paul for confirming and clarifying it is intended
behaviour.
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