How to Convert std::__cxx11::string to std::string in C 11?

Converting std::__cxx11::string to std::string

In C , when using C 11 alongside libraries not configured for the standard, type conversion becomes necessary. Specifically, converting std::__cxx11::string to std::string is often required.

Problem Statement:

Previously, attempts to perform this conversion using constructs like (string) have failed, leading to linker errors similar to:

undefined reference to `H5::CompType::insertMember(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&amp;, unsigned long, H5::DataType const&amp;) const'

Solution:

This issue may arise when using GCC 5 and attempting to link object files compiled with different values for the _GLIBCXX_USE_CXX11_ABI macro. To resolve this, redefine the macro as follows:

#define _GLIBCXX_USE_CXX11_ABI 0

Place this definition before any inclusion of standard library headers in your code.

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