以下定義する #define SPDLOG_WCHAR_FILENAMES #define SPDLOG_WCHAR_TO_UTF8_SUPPORT #define SPDLOG_WCHAR_FILENAMES #define SPDLOG_WCHAR_TO_UTF8_SUPPORT #include <iostream> #include "spdlog/spdlog.h" #include "spdlog/sinks/basic_file_sink.h" // support </iostream>…