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POundefined reference to cv::fontQt
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  1. POundefined reference to cv::fontQt
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    copied!<p>I get the following linker error :</p> <pre><code>/tmp/cclOj2K8.o: In function `main': fontTest.cpp:(.text+0x96): undefined reference to `cv::fontQt(std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt; const&amp;, int, cv::Scalar_&lt;double&gt;, int, int, int)' fontTest.cpp:(.text+0x151): undefined reference to `cv::addText(cv::Mat const&amp;, std::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt; const&amp;, cv::Point_&lt;int&gt;, CvFont)' collect2: ld returned 1 exit status </code></pre> <p>To compile I type:</p> <pre><code>gcc `pkg-config --cflags opencv` `pkg-config --libs opencv` -o fontTest fontTest.cpp </code></pre> <p>I do have openCV 2.3.1 installed.</p> <p>Here is my source code (fontTest.cpp):</p> <pre><code>#include &lt;cv.h&gt; #include &lt;highgui.h&gt; #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; #include &lt;string&gt; using namespace cv; int main(int argc, char* argv[]) { Mat img1; CvFont font = fontQt("Times"); addText( img1, "Hello World !", Point(50,50), font); imshow("image", img1); waitKey(0); } </code></pre> <p>The output of the pkg-config are:</p> <pre><code>-L/usr/local/lib -lopencv_core -lopencv_imgproc -lopencv_highgui -lopencv_ml -lopencv_video -lopencv_features2d -lopencv_calib3d -lopencv_objdetect -lopencv_contrib -lopencv_legacy -lopencv_flann -I/usr/local/include/opencv -I/usr/local/include </code></pre> <p>What am I missing?</p> <p>Thanks for the help.</p>
 

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