Class globals_retainer

src/path.cpp:1622–1627

Makes sure the global initializer pointers are referenced and not removed by linker

#if defined(BOOST_FILESYSTEM_NO_ATTRIBUTE_RETAIN)
//! Makes sure the global initializer pointers are referenced and not removed by linker
struct globals_retainer
{
    const init_func_ptr_t* volatile m_p_init_path_globals;

    globals_retainer() { m_p_init_path_globals = &p_init_path_globals; }
};
BOOST_ATTRIBUTE_UNUSED
static const globals_retainer g_globals_retainer;
#endif // defined(BOOST_FILESYSTEM_NO_ATTRIBUTE_RETAIN)