Bootsrap Swift Build on POWER9 power64LE Linux

I'm trying to get Swift to build on my POWER9 machine.
I've seen a couple people succeed at this, but I'm not
sure where to grab bootstrap swift binaries for ppcle64.

There seems to be a CI for ppc64le here: Swift - ppc64le (Tools RA, Stdlib RD, No test suites) (swift-5.1-branch) [Jenkins]

But not seeing any build artifacts?

Not sure if you've seen this, but Jordan's excellent series on how he got swift running on MacOS 9 might provide some guidance.

I saw it. I was hoping for something less intrusive than that.