undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::c_str() const’
交叉编译的gcc版本不对
树莓派上gcc版本是8.3.0
ubuntu上的交叉编译的gcc版本是4.8
undefined reference to `std::__cxx11::basic_string<char, std::char_traits, std::allocator >::c_str() const’
交叉编译的gcc版本不对
树莓派上gcc版本是8.3.0
ubuntu上的交叉编译的gcc版本是4.8