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  1. 6th March 2019, 06:53 #1
    npatil15
    npatil15 is offline Intermediate user
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    Default How to resolve library (.so) dependancy ?

    Hi,

    I'm using opencv3.3.1 for Linux platform. having tree structure like this below
    .
    |---- bin
    |---- build
    | |---- include
    |----include
    | |---- opencv
    | |---- opencv2
    |---- lib
    | |---- pkgconfig
    | |---- python2.7
    |---- share
    |---- OpenCV

    I have linked all the libraries which is on the path: /lib

    libopencv_calib3d.so libopencv_imgcodecs.so.4.0.0 libopencv_stitching.so.4.0
    libopencv_calib3d.so.4.0 libopencv_imgproc.so libopencv_stitching.so.4.0.0
    libopencv_calib3d.so.4.0.0 libopencv_imgproc.so.4.0 libopencv_superres.so
    libopencv_core.so libopencv_imgproc.so.4.0.0 libopencv_superres.so.4.0
    libopencv_core.so.4.0 libopencv_ml.so libopencv_superres.so.4.0.0
    libopencv_core.so.4.0.0 libopencv_ml.so.4.0 libopencv_videoio.so
    libopencv_features2d.so libopencv_ml.so.4.0.0 libopencv_videoio.so.4.0
    libopencv_features2d.so.4.0 libopencv_objdetect.so libopencv_videoio.so.4.0.0
    libopencv_features2d.so.4.0.0 libopencv_objdetect.so.4.0 libopencv_video.so
    libopencv_flann.so libopencv_objdetect.so.4.0.0 libopencv_video.so.4.0
    libopencv_flann.so.4.0 libopencv_photo.so libopencv_video.so.4.0.0
    libopencv_flann.so.4.0.0 libopencv_photo.so.4.0 libopencv_videostab.so
    libopencv_highgui.so libopencv_photo.so.4.0.0 libopencv_videostab.so.4.0
    libopencv_highgui.so.4.0 libopencv_shape.so libopencv_videostab.so.4.0.0
    libopencv_highgui.so.4.0.0 libopencv_shape.so.4.0 pkgconfig
    libopencv_imgcodecs.so libopencv_shape.so.4.0.0 python2.7
    libopencv_imgcodecs.so.4.0 libopencv_stitching.so
    For linking I have tried with this below,
    Qt Code: 
    1. unix|win32: LIBS += -L$${PATHOFDIR}/video -lvideo
    2. INCLUDEPATH += $${PATHOFDIR}/video
    3. DEPENDPATH += $${PATHOFDIR}/video
    4.  
    5. OPENCVLINUXDIR = /home/thirdparty/opencv/opencv_3.3.1
    6.  
    7. INCLUDEPATH += $${OPENCVLINUXDIR}/include
    8. DEPENDPATH += $${OPENCVLINUXDIR}/include
    9.  
    10. LIBS += -L$${OPENCVLINUXDIR}/lib -lopencv_core -lopencv_calib3d -lopencv_features2d -lopencv_flann -lopencv_highgui -lopencv_imgcodecs -lopencv_imgproc -lopencv_ml -lopencv_objdetect -lopencv_photo -lopencv_shape -lopencv_stitching -lopencv_superres -lopencv_video -lopencv_videoio -lopencv_videostab
    11.  
    12.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_core.so.4.0
    13.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_core.so.4.0.0
    14.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_calib3d.so.4.0
    15.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_calib3d.so.4.0.0
    16.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_features2d.so.4.0
    17.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_features2d.so.4.0.0
    18.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_flann.so.4.0
    19.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_flann.so.4.0.0
    20.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_highgui.so.4.0
    21.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_highgui.so.4.0.0
    22.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_imgcodecs.so.4.0
    23.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_imgcodecs.so.4.0.0
    24.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_imgproc.so.4.0
    25.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_imgproc.so.4.0.0
    26.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_ml.so.4.0
    27.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_ml.so.4.0.0
    28.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_objdetect.so.4.0
    29.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_objdetect.so.4.0.0
    30.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_photo.so.4.0
    31.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_photo.so.4.0.0
    32.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_shape.so.4.0
    33.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_shape.so.4.0.0
    34.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_stitching.so.4.0
    35.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_stitching.so.4.0.0
    36.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_superres.so.4.0
    37.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_superres.so.4.0.0
    38.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_video.so.4.0
    39.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_video.so.4.0.0
    40.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_videoio.so.4.0
    41.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_videoio.so.4.0.0
    42.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_videostab.so.4.0
    43.     dependencies.files += $${OPENCVLINUXDIR}/lib/libopencv_videostab.so.4.0.0
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    Please help me out why I'm getting this errors

    Still 2 libraries I'm unable to link, say (libopencv_core.so.4.0, libopencv_videoio.so.4.0), got this below error,
    :-1: warning: libopencv_core.so.4.0, needed by /home/test/UnitTest/../../build/release/modules/video/libvideo.so, not found (try using -rpath or -rpath-link)
    :-1: warning: libopencv_videoio.so.4.0, needed by /home/test/UnitTest/../../build/release/modules/video/libvideo.so, not found (try using -rpath or -rpath-link)
    And additionally getting this below error also,
    /home/thirdparty/opencv/opencv_3.3.1/include/opencv2/core/mat.inl.hpp:511: error: undefined reference to `cv::Mat::updateContinuityFlag()'
    Last edited by npatil15; 6th March 2019 at 09:29.
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