针对你遇到的“undefined reference to std::__cxx11::basic_ostringstream”错误,这通常是由于编译器链接时未能找到正确的C++标准库定义。以下是一些可能的解决步骤,你可以按照这些步骤逐一排查和解决问题: 确认编译环境及编译器版本: 确保你的编译环境(如GCC、Clang等)支持你正在使用的C++标准(如C++11或更高)。你...
3. 实现方法原本放在log_util.cpp中实现,注意是 原本: templatestd::string to_log(T value) { std::ostringstream os; os << value ; return os.str(); } 1. 2. 3. 4. 5. 6. 可惜运行起来就报错: undefined reference to `std::__ndk1::basic_string<char, std::__ndk1::char_traits 所以...
basic_string()' ../lib/libreference_data_driver.so: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)' ../lib/libreference_...
/usr/local/lib64/libproj.so.22: undefined reference to `VTT for std::__cxx11::basic_ostringstream<char, std::char_traits<r<char> >@GLIBCXX_3.4.21' /usr/local/lib64/libproj.so.22: undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allare(std...
you have full access to the object state and you could pass it in the lambda you are using for the __setstate__ function and return a reference to this, right? Or if that still doesn't work, you could just define __setstate__ yourself, although it would be really brittle due to ...