Exclusion of clang compilers for ppc

[Joshua Root]

On 2019-10-23 16:30 , Mojca Miklavec wrote:
> Hi,
> 
> I fail to understand why this change was rejected / why we want to
> have clang on the default list of fallback compilers for PPC, rather
> than falling back to, say, gcc 6 or 7:
>     https://github.com/macports/macports-ports/pull/5590

It wasn't rejected, and we do already use gcc preferentially on ppc.

- Josh