[OE-core] whatever happened to a proposal for "read-only" sstate?

[Richard Purdie]

On Fri, 2017-02-03 at 06:45 -0500, Robert P. J. Day wrote:
>   for purposes of teaching, i wanted to check into the feasibility of
> having students take advantage of a single shared state cache, but
> still have the option of building whatever source they needed in
> their
> own *personal* sstate cache.
> 
>   i found this reference from 2014:
> 
> http://lists.openembedded.org/pipermail/openembedded-core/2014-August
> /096486.html
> 
> but it seems clear nothing became of it; there's certainly no
> .bbclass
> file that matches that.
> 
>   what are the options for setting up something like this? or is that
> already supported and i'm just not seeing it?

It was never merged as its not really necessary, you can do this with
existing functionality.

Just point SSTATE_MIRRORS at the common shared directory and SSTATE_DIR
at the directory you want to be the personal one.

Cheers,

Richard