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Be sure to use "make" instead of "sudo make". If you use "sudo" to "make", the implementation will be different and OpenCV may not be able to build.
If you execute sudo make, please install SDK newly and execute make in another folderIf you run it like sudo make, it may fail if the file is created in a location that is not accessible by general users. When executing with sudo make, please check the user settings of Ubuntu OS and confirm that you have administrative privileges.