Qt5.14.1 opencv4.5.3 crashed 程序异常结束

Qt5.14.1 opencv4.5.3 crashed  程序异常结束

crashed出现后，Qt调试方式运行项目，发现异常中断在

OPENCV_HAL_IMPL_AVX_INIT

很明显,crashed和AVX有关

于是在cmake里面搜CPU_DISPATCH,将值改成SSE3

然后

mingw32-make clean

mingw32-make -j 8

mingw32-make install

问题解决