ces to `cv::String::deallocate()' follow
libdarknet.a(image_opencv.o): In function `cv::Mat::~Mat()':
image_opencv.cpp:(.text._ZN2cv3MatD2Ev[_ZN2cv3MatD5Ev]+0x89): undefined reference to `cv::Mat::deallocate()'
image_opencv.cpp:(.text._ZN2cv3MatD2Ev[_ZN2cv3MatD5Ev]+0x72): undefined reference to `cv::fastFree(void*)'
collect2: error: ld returned 1 exit status
Makefile:77: recipe for target 'darknet' failed
make: *** [darknet] Error 1
错误啊