-- Setting clang options 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-4044/.conan/data/cpprestsdk/2.10.16/_/_/build/75bb2c423d212dafbfdd9af5ee021cb1debfee12/source_subfolder/Release/src/http/client/http_client_asio.cpp:33: /home/conan/w/cci_PR-4044/.conan/data/boost/1.75.0/_/_/package/cb0392f917bdeb4ae42a49d10014d625444ea20c/include/boost/bind.hpp:36:1: warning: The practice of declaring the Bind placeholders (_1, _2, ...) in the global namespace is deprecated. Please use + using namespace boost::placeholders, or define BOOST_BIND_GLOBAL_PLACEHOLDERS to retain the current behavior. [-W#pragma-messages] BOOST_PRAGMA_MESSAGE( ^ /home/conan/w/cci_PR-4044/.conan/data/boost/1.75.0/_/_/package/cb0392f917bdeb4ae42a49d10014d625444ea20c/include/boost/config/pragma_message.hpp:24:34: note: expanded from macro 'BOOST_PRAGMA_MESSAGE' # define BOOST_PRAGMA_MESSAGE(x) _Pragma(BOOST_STRINGIZE(message(x))) ^ :118:2: note: expanded from here message("The practice of declaring the Bind placeholders (_1, _2, ...) " "in the global namespace is deprecated. Please use " " + using namespace boost::placeholders, " "or define BOOST_BIND_GLOBAL_PLACEHOLDERS to retain the current behavior.") ^ 1 warning generated. CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY WARN: websocketpp/0.8.2: requirement openssl/1.1.1h overridden by cpprestsdk/2.10.16 to openssl/1.1.1i WARN: websocketpp/0.8.2: requirement boost/1.74.0 overridden by cpprestsdk/2.10.16 to boost/1.75.0