How to run lit tests on Mac OSX without gcc?

Mon Aug 28 13:09:39 PDT 2017

On 28 Aug 2017, at 21:01, Thomas Mader via digitalmars-d-ldc wrote:
> If I understood the ldc code correctly (driver/tool.cpp), only gcc is 
> searched for in the environment but not clang. clang is used on 
> FreeBSD only.

https://github.com/ldc-developers/ldc/blob/37390e5764494da77a925f8586b2e1187ef08076/driver/tool.cpp#L47-L49

Where would the restriction to `gcc` come in? —David