Jan Wilmans

On gcc-11.2: ./bootstrap reports:  while on gcc-8.3 it says:  Somehow it detects the "cxx" toolset instead of the "gcc" toolset and continues to use "cpp" instead of "g++"

~~build.sh has an `--cxx` option, but `bootstrap.sh` does not, so it doesn't seem possible to override the gcc-exectuable from bootstrap invocation.~~

the `boostrap.sh` at the top-level of `https://github.com/boostorg/boost/blob/master/bootstrap.sh` Sorry about that, I seem to have mixed up references to the b2 bootstrap.sh in the boost project, and the b2 project. I...

No, I was wrong, --cxx=g++8 _can_ be passed, but it doesn't solve the problem, now check_clib() fails: 

The `bootstrap.sh` in the boost project however:  but I guess we should consider this out of the scope of the issue ;)