ros-fuerte cannot find opencv package

asked 2014-03-14 05:05:59 -0500

Latif Anjum
79 ●15 ●16 ●23

Hi there,

I have installed ros-fuerte-desktop-full. I am trying to built a package that contains opencv code, but I am getting the following error:

Cannot specify link libraries for target "MatObjects" which is not built by this project.

I have added following to CMakeLists.txt

FIND_PACKAGE( OpenCV REQUIRED )
target_link_libraries(MatObjects ${OpenCV_LIBS})

Here is the output of some flags:

#echo $PKG_CONFIG_PATH
/opt/ros/fuerte/lib/pkgconfig

This path contains opencv.pc

#pkg-config --cflags opencv
-I/opt/ros/fuerte/include/opencv -I/opt/ros/fuerte/include

#pkg-config --libs opencv
-L/opt/ros/fuerte/lib -lopencv_calib3d -lopencv_contrib -lopencv_core -lopencv_features2d -lopencv_flann -lopencv_gpu -lopencv_highgui -lopencv_imgproc -lopencv_legacy -lopencv_ml -lopencv_nonfree -lopencv_objdetect -lopencv_photo -lopencv_stitching -lopencv_ts -lopencv_video -lopencv_videostab

I have also tried to run the code on Geany using g++ with pkg-config --cflags opencv but it says Package opencv was not found in the pkg-config search path when it is there.

Please help.

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I'm in agreement

aparraga ( 2014-03-14 08:04:48 -0500 )edit

Thanks sir. It worked. I am a bit surprised. I had ros-fuerte installed (before I refreshed ubuntu and installed fuerte again) and my previous method (linking libraries in CMakeLists.txt) was working. Has it changed recently?

Latif Anjum ( 2014-03-14 10:36:07 -0500 )edit

I also use PCL libraries, so now I have to do the same for PCL libraries too? Previously, I was linking PCL libraries in CMakeLists.txt too and it was working.

Latif Anjum ( 2014-03-14 10:36:32 -0500 )edit

One more thing: I use Geany and give build command: g++ "%f" `pkg-config --cflags --libs opencv` -o "%e". Previously it was working but not now. It says opencv.pc is not in the PKG_CONFIG path. I checked the path and opencv.pc is there. Any clue?

Latif Anjum ( 2014-03-14 10:39:05 -0500 )edit

Geany Error: Package opencv was not found in the pkg-config search path. Perhaps you should add the directory containing `opencv.pc' to the PKG_CONFIG_PATH environment variable No package 'opencv' found

Latif Anjum ( 2014-03-14 10:41:17 -0500 )edit

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