CMake Error at cmake/system_deps.cmake:102 (find_package): By not providing "Findpybind11_abseil.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "pybind11_abseil", but CMake did not find one. Could not find a package configura...
Seems like something like this was mentioned in the comments, but I'm not seeing how to get this properly installed If you search for the error on the web (ld: library not found for -lssl) it points you to a missing Xcode installation. However, your problem about the installation error...