in the current build system configurations can be stored as arch/ files, even though the default invocation should generate the arch file, people may still want to store/document/share configurations for specific platforms and setups. In DBCSR we have https://cp2k.github.io/dbcsr/develop/page/2-user-guide/1-installation/1-cmake-build-recipes.html, another option to collect configurations are CMake preload scripts
in the current build system configurations can be stored as arch/ files, even though the default invocation should generate the arch file, people may still want to store/document/share configurations for specific platforms and setups. In DBCSR we have https://cp2k.github.io/dbcsr/develop/page/2-user-guide/1-installation/1-cmake-build-recipes.html, another option to collect configurations are CMake preload scripts