[libcxx-dev] Build failure on Linux with CMake 3.22 (libc++.so RPATH_CHANGE)

[Raul Tambre via libcxx-dev]

CMake maintains backwards compatibility. Any breakage that's not behind a policy 
is considered a bug.

Someone else seems to already have opened an issue: 
https://gitlab.kitware.com/cmake/cmake/-/issues/22963