WARN: libevent/2.1.12: requirement openssl/1.1.1g overridden by folly/2020.08.10.00 to openssl/1.1.1h 
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CXX_STD


CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY