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main.cpp:(.text+0x1521): undefined reference to cv::namedWindow(std::string const&, int)' main.cpp:(.text+0x1567): undefined reference tocv::setMouseCallback(std::string const&, void ()(int, int, int, int, void), void*)' main.cpp:(.text+0x15e6): undefined reference to cv::imshow(std::string const&, cv::_InputArray const&)' main.cpp:(.text+0x1648): undefined reference tocv::imshow(std::string const&, cv::_InputArray const&)' main.cpp:(.text+0x1d5b): undefined reference to `cv::imshow(std::string const&, cv::_InputArray const&)'

but i can link other function correctly

opencv 2.4.13