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 In file included from /home/conan/w/cci_PR-4275/.conan/data/amqp-cpp/4.2.1/_/_/package/a04e8d0481e1fea02c28a6f9bc024c384aafc974/include/amqpcpp.h:56, from /home/conan/w/cci_PR-4275/1/689f8cf7-de91-46df-ab34-7151cb0d7b08/recipes/amqp-cpp/all/test_package/test_package.cpp:4: /home/conan/w/cci_PR-4275/.conan/data/amqp-cpp/4.2.1/_/_/package/a04e8d0481e1fea02c28a6f9bc024c384aafc974/include/amqpcpp/table.h:269:13: warning: converting ‘AMQP::Table’ to a reference to the same type will never use a type conversion operator [-Wclass-conversion] 269 | virtual operator const Table& () const override | ^~~~~~~~ In file included from /home/conan/w/cci_PR-4275/.conan/data/amqp-cpp/4.2.1/_/_/package/a04e8d0481e1fea02c28a6f9bc024c384aafc974/include/amqpcpp.h:57, from /home/conan/w/cci_PR-4275/1/689f8cf7-de91-46df-ab34-7151cb0d7b08/recipes/amqp-cpp/all/test_package/test_package.cpp:4: /home/conan/w/cci_PR-4275/.conan/data/amqp-cpp/4.2.1/_/_/package/a04e8d0481e1fea02c28a6f9bc024c384aafc974/include/amqpcpp/array.h:235:13: warning: converting ‘AMQP::Array’ to a reference to the same type will never use a type conversion operator [-Wclass-conversion] 235 | virtual operator const Array& () const override | ^~~~~~~~