Linking to OpenCV - undefined reference to `cv::imread
已完成
Hi, I'm trying to link OpenCV to CLion. But I'm having problem even with a very simple app.
I prepared OpenCV binaries with these steps.
1. Extract OpenCV files (from official website)
2. Generate a build folder with CMake
3. In the directory generated by CMake, execute "mingw32-make" command
4. Add "OPENCV_DIR" to system variables. ("C:\OpenCV\mingw-build" in my case)
5. Add "%OPENCV_DIR%\bin" to system path
CPP Code:
My CMakeLists.txt
And when I try to build, I'm getting these messages:
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I finally solved my problem. I'm using MinGW 5.3 on my IDE. But CMake is using MinGW 4.9 as default, if you select "Use default native compilers". So you should select "specify native compilers" and give the path of MinGW that using with your IDE. And then you should run "mingw32-make.exe" from the same MinGW again.