Mateusz Pusz

Great! Let me know if you need any help with that.

Yeah, I pushed it a bit at CppCon 😉

However, it does not seem right. `gsl-lite::gsl-lite` is not exposed, and when I link to `gsl::gsl-lite` (which is available) I get a deprecation warning: ``` gsl-lite.hpp:142:238: note: ‘#pragma message: /home/mpusz/.conan2/p/b/gsl-leb212bdf86795/p/include/gsl-lite/gsl-lite.hpp(142):...

False alarm. It works fine. I had some very strange Conan issues, but they have been resolved now.

Hi @VictorEijkhout! There must be some issue with the C++ Standard Library you use with GCC. Most probably `__cpp_lib_format` is not set: https://github.com/mpusz/mp-units/blob/e0ce43c5efe9a9a5587a7d48878646b9131ff3a4/src/CMakeLists.txt#L51C29-L51C46 and this is why CMake complains. Libc++...

Could you please paste the entire error message with the information on why the compiler claims it is not a constant expression?

It seems that ICC can't use `std::string` used by `fmt::format` in a `consteval` function. Maybe it is caused by the lack of proper support for ICC in the libc++ you...

> Is there no cmake switch to bypass the tests? Please check the answer in our [documentation](https://mpusz.github.io/mp-units/latest/getting_started/faq/#why-dont-we-have-cmake-options-to-disable-the-building-of-tests-and-examples). This is a header-only library. Installing the library does not require any compilation....

@mjacobse, Those two examples were taken from our docs. A working version can always be found at https://mpusz.github.io/mp-units/2.3/getting_started/look_and_feel.

It seems that the `fmt::basic_appender` does not satisfy `input_or_output_iterator` on fmt 11.0.2. Could you please check if it reproduces with the latest fmt version? I could not reproduce it for...