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I'm trying to compile simple OpenCV code on the BeagleBoard XM, running Ångström Linux.

I know my way in OpenCV, but only under Windows and Visual Studio. I'm fairly with non-Microsoft OSes.

I think I've installed OpenCV on the BeagleBoard (opkg install opencv, right?), and I've transferred my code, which for now look like this:

#include <opencv2/opencv.h>
int main()
{
    cv::Mat img(100, 100, CV_8U);
    cv::imshow("Hello world", img);
    cv::waitkey();
    return 0;
}

How can I compile this code under the BeagleBoard? How can I tell it where the .so files are? Where are the OpenCV .so files?

Peter Mortensen
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Mercury
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2 Answers2

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Have a look at ECE597 OpenCV on the BeagleBoard for installation instructions.

If you have installed it properly, then open a terminal window and browse to the folder where you have put the code. Once there, use the following command to compile the code in file "main.cpp"

g++ main.cpp -o out `pkg-config --cflags --libs opencv`

After the code is compiled, use the following command to execute it.

./out

Also look at the answers to Stack Overflow question How to install OpenCV on Ångström Linux?.

Community
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masad
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export LD_LIBRARY_PATH=/usr/local/lib
gcc `pkg-config --cflags opencv` -g -o NameOfProgram main.cpp `pkg-config --libs opencv`

Probably these commands should the work. Just don't forget to change the cpp filename if needed. See this.

Peter Mortensen
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fireant
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