What errors you may encounter if you upgrade macOS Sierra when installing opencv

This article mainly shows you what errors may be encountered if you upgrade macOS Sierra when installing opencv. The content is simple and easy to understand, and the organization is clear. I hope it can help you solve your doubts. Let Xiaobian lead you to study and learn this article.

When installing opencv, if you upgrade macOS Sierra, you may encounter the following error:

XXX/cap_qtkit.mm:46:9: fatal error:

'QTKit/QTKit.h' file not found

#import

^

1 error generated.

make[2]: *** [modulesideoio/CMakeFiles/opencv_videoio.dir/src/cap_qtkit.mm.o] Error 1

make[1]: *** [modulesideoio/CMakeFiles/opencv_videoio.dir/all] Error 2

make: *** [all] Error 2

I've been searching the Internet for a lot of them.

Copy QTKit.framework from Macs that have not been upgraded to 10.12, move to/System/Library/Framework

It also provides various operations, but my problem is not solved.

Later, I found a way to copy QTKit.framework from the unupgraded mac system and extract the QTKit folder from it, place it under opencv-2.4.13/modules/highgui/src and compile it.

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