undefined reference to `std::thread::_State::~_State()@GLIBCXX_3.4.22'

[AIGirl10]

When try to build the project for x86, it is giving this error

light-LPR/lib/libMNN.so: undefined reference to `std::thread::_State::~_State()@GLIBCXX_3.4.22'
light-LPR/lib/libMNN.so: undefined reference to `std::thread::_M_start_thread(std::unique_ptr<std::thread::_State, std::default_delete<std::thread::_State> >, void (*)())@GLIBCXX_3.4.22'
collect2: error: ld returned 1 exit status
src/examples/CMakeFiles/demo.dir/build.make:88: recipe for target 'examples/demo' failed
make[2]: *** [examples/demo] Error 1
CMakeFiles/Makefile2:145: recipe for target 'src/examples/CMakeFiles/demo.dir/all' failed
make[1]: *** [src/examples/CMakeFiles/demo.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

[lqian]

please compile MNN lib on your working platform.

[AIGirl10]

Yes @lqian thanks. error got solved.