@misc{zhao2021svar, title={Svar: A Tiny C++ Header Brings Unified Interface for Multiple programming Languages}, author={Yong Zhao and Pengcheng Zhao and Shibiao Xu and Lin Chen and Pengcheng Han and ...
Then you can use clang++ -march=native -std=c++20 --precompile -c lib.cppm -o lib.pcm to convert the cppm into pcm. After that use clang++ -march=native -std=c++20 -c lib.pcm to generate .obj file ...