[OE-core] [PATCHv2] cmake: Avoid passing empty prefix to os.path.relpath

[Mike Crowe]

https://patchwork.openembedded.org/patch/145709/

On Wednesday 20 December 2017 at 10:28:22 +0000, Mike Crowe wrote:
> On Monday 11 December 2017 at 13:45:26 +0000, Burton, Ross wrote:
> > It was implicated in some build failures.  I'll re-add it and try again.
> 
> Thanks. Are the new results in? I had a poke about on autobuilder.yocto.io
> but couldn't work out how to tell which builds this commit was included in.
> Build 719 did not appear to include it.

Any more news?

Thanks.

Mike.