Snippets for log4cplus 2.2.0.1 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/log4cplus/2.2.0.1/1.fc46/data/logs/s390x/build.log.

• /usr/include/c++/16/bits/stl_function.h:500:18: warning: noexcept-expression evaluates to 'false' because of a call to 'bool log4cplus::helpers::SharedObjectPtr<T>::operator==(const log4cplus::helpers::SharedObjectPtr<T>&) const [with T = log4cplus::Appender]' [-Wnoexcept]
    500 |         noexcept(noexcept(std::forward<_Tp>(__t) == std::forward<_Up>(__u)))
        |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• src/fileappender.cxx:706:1: warning: 'log4cplus::helpers::Time log4cplus::{anonymous}::adjust_for_time_zone(const log4cplus::helpers::Time&, const std::chrono::seconds&)' defined but not used [-Wunused-function]
    706 | adjust_for_time_zone (Time const & t, std::chrono::seconds const & tzoffset)
        | ^~~~~~~~~~~~~~~~~~~~
  

• src/fileappender.cxx:690:1: warning: 'std::chrono::seconds log4cplus::{anonymous}::local_time_offset(const log4cplus::helpers::Time&)' defined but not used [-Wunused-function]
    690 | local_time_offset (Time const & t)
        | ^~~~~~~~~~~~~~~~~
  

• ./threadpool/ThreadPool.h:276:50: warning: declaration of 'std::unique_lock<std::mutex> lock' shadows a parameter [-Wshadow]
    276 |                     std::unique_lock<std::mutex> lock(this->queue_mutex);
        |                                                  ^~~~
  

• ./threadpool/ThreadPool.h:312:50: warning: declaration of 'std::unique_lock<std::mutex> lock' shadows a parameter [-Wshadow]
    312 |                     std::unique_lock<std::mutex> lock(this->queue_mutex);
        |                                                  ^~~~
  

• ./threadpool/ThreadPool.h:262:68: warning: unused parameter 'lock' [-Wunused-parameter]
  

• src/property.cxx:140:35: warning: unused parameter 'file' [-Wunused-parameter]
    140 | imbue_file_from_flags (tistream & file, unsigned flags)
        |                        ~~~~~~~~~~~^~~~
  

• tests/unit_tests/unit_tests.cxx:4:11: warning: unused parameter ‘argc’ [-Wunused-parameter]
      4 | main (int argc, char* argv[])
        |       ~~~~^~~~
  

• tests/unit_tests/unit_tests.cxx:4:23: warning: unused parameter ‘argv’ [-Wunused-parameter]
      4 | main (int argc, char* argv[])
        |                 ~~~~~~^~~~~~