执行./build.sh mac后，出现了这样的错误。
Created by: wofan
/mobile-deep-learning-master/src/net.cpp:137:32: error: variable length array of non-POD element type 'std::thread' std::thread ths[_thread_num];
make[2]: *** [CMakeFiles/mdl-static.dir/src/net.cpp.o] Error 1 make[1]: *** [CMakeFiles/mdl-static.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... make[2]: *** [CMakeFiles/mdl.dir/src/net.cpp.o] Error 1 make[1]: *** [CMakeFiles/mdl.dir/all] Error 2 make: *** [all] Error 2