Hi,

I actually think that patches should be submitted via a ticket in trac, not on answers.ros.org. E.g for opencv here:
https://kforge.ros.org/opencv/trac/newticket

Lorenz

On Sun, Apr 1, 2012 at 5:46 AM, Arkapravo Bhaumik <arkapravobhaumik@gmail.com> wrote:
Please consider putting this to answer.ros.

On 1 April 2012 02:50, David <spamfuerdavid@gmx.de> wrote:
Hi list,

if I do

g++ -o myprog myprog.cpp `pkg-config --cflags --libs opencv-2.3.1`

I get

/usr/bin/ld: cannot find -l/usr/lib/libopencv_contrib.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_legacy.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_objdetect.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_calib3d.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_features2d.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_video.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_highgui.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_ml.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_imgproc.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_flann.so.2.3.1
/usr/bin/ld: cannot find -l/usr/lib/libopencv_core.so.2.3.1

In my opinion the problem lies in the pkg-config file opencv-2.3.1.pc, which is fixed by the patch in the attachment.

Regards,
David

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