g++ errors after upgrading XCode Command Line tools to version 15.0.0.0.1.1694021235

[Christopher Jones]

> 
> Workaround, for now, is to not use gcc to build C++ sources. Clang is anyway the default compiler on Mac’s, and is what MacPorts uses for the vast majority of ports, so if you can use clang++ (either Xcode or MacPorts own builds). Both these are still fine.

Or, of course, downgrade your Xcode/CLT back to the 14.x versions.