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opencv 自学日记3-一个小例程报错解决办法undefined reference to_libpylon_camera.so: undefined reference to `cv::ma

libpylon_camera.so: undefined reference to `cv::mat::mat()
明明已经添加了命名空间,但还是报错,百思不得其解,没办法,点进imshow函数里面,发现这个函数在highgui中声明,所以想到可能是没有将highgui的外部库添加进来,到pro里面去看,确实没有将highgui的库添加进来。所以添加以后,报错消失。


添加:

win32: LIBS += -L$$ PWD/'../../../Program Files (x86)/opencv/opencv-3.2.0-vc14/opencv/minGW/lib/' -llibopencv_highgui320.dll

INCLUDEPATH += $$ PWD/'../../../Program Files (x86)/opencv/opencv-3.2.0-vc14/opencv/minGW/ include'
DEPENDPATH += $$ PWD/'../../../Program Files (x86)/opencv/opencv-3.2.0-vc14/opencv/minGW/ include'

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