安装opencv4.4时出现错误 error: ‘sleep_for’ is not a member of ‘std::this_thread‘

查看报错信息：

/home/changym/sources/opencv-4.4.0/modules/gapi/test/gapi_async_test.cpp:448:26: error: ‘sleep_for’ is not a member of ‘std::this_thread’
  448 |        std::this_thread::sleep_for(std::chrono::milliseconds{2});
      |                          ^~~~~~~~~

根据报错信息， 在 gapi_async_tesr.cpp 中添加：

#include 

再次编译，成功。