The experimentel CMake C++20 Module feature should be used

[ClausKlein]

See https://discourse.cmake.org/t/compile-c-20-modules-with-clang-16-and-cmake-v3-26-3/8096

[vitaut]

Thanks for the suggestion but unfortunately native module support in CMake is not usable yet.

[ClausKlein]

It works, I will show you ...
You may try ist yourself https://discourse.cmake.org/t/compile-c-20-modules-with-clang-16-and-cmake-v3-26-3/8096/2?u=clausklein