Changing default cxx_stdlib to libc++

Fri Mar 9 04:00:40 UTC 2018

On 2018-03-08, at 4:27 PM, Ryan Schmidt wrote:

> How will users upgrade from libstdc++ to libc++? What subset of the instructions on the LibcxxOnOlderSystems page would they have to follow? What if they don't do that and stay on libstdc++?

We do have to ponder the bootstrap toolchain process carefully. There is a clang-3.4 build that is against libstdc++ as a stepping stone, and some ld64 bootstrapping. 

Probably need to walk it through on a VM to make sure it all jives. I can help with that, as I'm sure others can.

Ken