[OpenPower-Firmware] [RFC] Rework op-build to sdk efficiency

[Stewart Smith]

On Tue, May 19, 2020, at 3:49 AM, Klaus Heinrich Kiwi wrote:
> On 5/13/2020 7:07 PM, Klaus Heinrich Kiwi wrote:
> > Presently, op-build builds buildroot's default cross-compiling 
> > toolchain, that can be made into an SDK and re-used. We use this as part 
> > of the ci build scripts (ci/build*.sh), but that mechanism can also be 
> > used ad-hoc.
> > 
> > I recently pushed some patches to try to slim it down for efficiency 
> > (PRs #3586), and now I'm trying to add the p8-PORE (for POWER8) and 
> > PPE42-{gcc/PORE-binutils} (for POWER9) as part of the sdk package, so 
> > they can also be re-used (they rarely change).
> 
> 
> Any feedback on this PR? Otherwise I'll merge it
> https://github.com/open-power/op-build/pull/3625

I'm really glad somebody found some time to have a go at this. I'll leave a few comments on the PR, I'm attempting some builds now....