CMake Warning at source_subfolder/CMakeLists.txt:48 (message):
  [STX] STX requires at least C++ 17 but 'CMAKE_CXX_STANDARD' was not set.
  'CMAKE_CXX_STANDARD' will be set to 17 (C++ 17).  Set 'CMAKE_CXX_STANDARD'
  to 17 (C++ 17) or later standards to silence this warning


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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR


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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY