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-3408/.conan/data/spdlog/1.5.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/spdlog/sinks/ansicolor_sink.h:112:0, from /home/conan/w/cci_PR-3408/.conan/data/spdlog/1.5.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/spdlog/details/registry-inl.h:20, from /home/conan/w/cci_PR-3408/.conan/data/spdlog/1.5.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/spdlog/details/registry.h:108, from /home/conan/w/cci_PR-3408/.conan/data/spdlog/1.5.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/spdlog/spdlog.h:13, from /home/conan/w/cci_PR-3408/1/c00fc1c6-76bf-40f7-bd8e-bf544b134193/recipes/spdlog/all/test_package/test_package.cpp:21: /home/conan/w/cci_PR-3408/.conan/data/spdlog/1.5.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/spdlog/sinks/ansicolor_sink-inl.h: In member function 'void spdlog::sinks::ansicolor_sink::print_ccode_(const string_view_t&)': /home/conan/w/cci_PR-3408/.conan/data/spdlog/1.5.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/spdlog/sinks/ansicolor_sink-inl.h:114:53: warning: 'using char_type = char' is deprecated (declared at /home/conan/w/cci_PR-3408/.conan/data/fmt/6.2.1/_/_/package/a506942c4fdc4003ced5ed2afee2a0486db24337/include/fmt/core.h:357) [-Wdeprecated-declarations] fwrite(color_code.data(), sizeof(string_view_t::char_type), color_code.size(), target_file_); ^