Comments (6)
kyamagu
commented on July 18, 2024
1
This error happens because there is a version mismatch between
Matlab's internal libstdc++ and the system's libstdc++ which opencv
depends on. You might be able to fix this by LD_PRELOAD variable. That
is, if the system's libstdc++ is located in /usr/lib/libstdc++.so.6,
you can launch matlab by the following command.
$ LD_PRELOAD=/usr/lib/libstdc++.so.6 matlab
Or, if you like, set an alias in your .bashrc.
alias matlab="LD_PRELOAD=/usr/lib/libstdc++.so.6
/usr/local/matlab/bin/matlab"
If you find similar error, you can try LD_PRELOAD in the same approach.
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MudassarA
commented on July 18, 2024
ok I found the file on my system but now matlab fails
$ LD_PRELOAD=/usr/lib/libgccpp.so.1.0.3 matlab
Segmentation fault (core dumped)
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kyamagu
commented on July 18, 2024
Are you sure that /usr/lib/libgccpp.so.1.0.3 is correct one? Sometimes there are different versions of the library in the system. You can check alternatives by locate libgccpp.so command.
Also, can you try identifying what shared library is incompatible with the system? You can use ldd command to find the linked library. If there is a difference between the returned list, that is causing a problem.
In shell:
$ ldd +cv/private/CascadeClassifier_.mexa64
In matlab:
>> !ldd +cv/private/CascadeClassifier_.mexa64
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MudassarA
commented on July 18, 2024
$ locate libgccpp.so
/usr/lib/libgccpp.so.1
/usr/lib/libgccpp.so.1.0.3
I have tried with the other one also. matlab exits with fatal error
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MudassarA
commented on July 18, 2024
$ ldd mexopencv/+cv/private/CascadeClassifier_.mexa64
linux-vdso.so.1 => (0x00007fffbaffc000)
libopencv_core.so.2.3 => /usr/lib/libopencv_core.so.2.3 (0x00007f835a9be000)
libopencv_imgproc.so.2.3 => /usr/lib/libopencv_imgproc.so.2.3 (0x00007f835a58b000)
libopencv_objdetect.so.2.3 => /usr/lib/libopencv_objdetect.so.2.3 (0x00007f835a337000)
libmx.so => not found
libmex.so => not found
libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f835a036000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f8359e20000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f8359c03000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f8359845000)
librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f835963d000)
libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f8359426000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f835912b000)
libopencv_highgui.so.2.3 => /usr/lib/libopencv_highgui.so.2.3 (0x00007f8358eea000)
libopencv_features2d.so.2.3 => /usr/lib/libopencv_features2d.so.2.3 (0x00007f8358c16000)
libopencv_calib3d.so.2.3 => /usr/lib/libopencv_calib3d.so.2.3 (0x00007f835898c000)
/lib64/ld-linux-x86-64.so.2 (0x00007f835afcb000)
libjpeg.so.8 => /usr/lib/x86_64-linux-gnu/libjpeg.so.8 (0x00007f835873c000)
libpng12.so.0 => /lib/x86_64-linux-gnu/libpng12.so.0 (0x00007f8358513000)
libtiff.so.4 => /usr/lib/x86_64-linux-gnu/libtiff.so.4 (0x00007f83582b0000)
libjasper.so.1 => /usr/lib/x86_64-linux-gnu/libjasper.so.1 (0x00007f8358059000)
libIlmImf.so.6 => /usr/lib/libIlmImf.so.6 (0x00007f8357d97000)
libHalf.so.6 => /usr/lib/libHalf.so.6 (0x00007f8357b54000)
libgtk-x11-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 (0x00007f835751a000)
libgdk-x11-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 (0x00007f8357267000)
libgobject-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 (0x00007f8357018000)
libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f8356d23000)
libavcodec.so.53 => /usr/lib/x86_64-linux-gnu/libavcodec.so.53 (0x00007f8355f15000)
libavformat.so.53 => /usr/lib/x86_64-linux-gnu/libavformat.so.53 (0x00007f8355c16000)
libavutil.so.51 => /usr/lib/x86_64-linux-gnu/libavutil.so.51 (0x00007f83559f6000)
libswscale.so.2 => /usr/lib/x86_64-linux-gnu/libswscale.so.2 (0x00007f83557af000)
libdc1394.so.22 => /usr/lib/x86_64-linux-gnu/libdc1394.so.22 (0x00007f835553c000)
libv4l1.so.0 => /usr/lib/x86_64-linux-gnu/libv4l1.so.0 (0x00007f8355336000)
libopencv_flann.so.2.3 => /usr/lib/libopencv_flann.so.2.3 (0x00007f83550d1000)
libImath.so.6 => /usr/lib/libImath.so.6 (0x00007f8354ecb000)
libIex.so.6 => /usr/lib/libIex.so.6 (0x00007f8354cab000)
libIlmThread.so.6 => /usr/lib/libIlmThread.so.6 (0x00007f8354aa4000)
libpangocairo-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 (0x00007f8354898000)
libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 (0x00007f8354563000)
libXfixes.so.3 => /usr/lib/x86_64-linux-gnu/libXfixes.so.3 (0x00007f835435d000)
libatk-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libatk-1.0.so.0 (0x00007f835413b000)
libcairo.so.2 => /usr/lib/x86_64-linux-gnu/libcairo.so.2 (0x00007f8353e7c000)
libgdk_pixbuf-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0 (0x00007f8353c5c000)
libgio-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 (0x00007f835390d000)
libpangoft2-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0 (0x00007f83536e2000)
libpango-1.0.so.0 => /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0 (0x00007f8353499000)
libfontconfig.so.1 => /usr/lib/x86_64-linux-gnu/libfontconfig.so.1 (0x00007f8353263000)
libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 (0x00007f8353051000)
libXrender.so.1 => /usr/lib/x86_64-linux-gnu/libXrender.so.1 (0x00007f8352e47000)
libXinerama.so.1 => /usr/lib/x86_64-linux-gnu/libXinerama.so.1 (0x00007f8352c44000)
libXi.so.6 => /usr/lib/x86_64-linux-gnu/libXi.so.6 (0x00007f8352a34000)
libXrandr.so.2 => /usr/lib/x86_64-linux-gnu/libXrandr.so.2 (0x00007f835282b000)
libXcursor.so.1 => /usr/lib/x86_64-linux-gnu/libXcursor.so.1 (0x00007f8352621000)
libXcomposite.so.1 => /usr/lib/x86_64-linux-gnu/libXcomposite.so.1 (0x00007f835241d000)
libXdamage.so.1 => /usr/lib/x86_64-linux-gnu/libXdamage.so.1 (0x00007f835221a000)
libffi.so.6 => /usr/lib/x86_64-linux-gnu/libffi.so.6 (0x00007f8352011000)
libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f8351dd4000)
libvpx.so.1 => /usr/lib/libvpx.so.1 (0x00007f8351b2f000)
libvorbisenc.so.2 => /usr/lib/x86_64-linux-gnu/libvorbisenc.so.2 (0x00007f8351660000)
libvorbis.so.0 => /usr/lib/x86_64-linux-gnu/libvorbis.so.0 (0x00007f8351433000)
libtheoraenc.so.1 => /usr/lib/x86_64-linux-gnu/libtheoraenc.so.1 (0x00007f83511f6000)
libtheoradec.so.1 => /usr/lib/x86_64-linux-gnu/libtheoradec.so.1 (0x00007f8350fdb000)
libspeex.so.1 => /usr/lib/x86_64-linux-gnu/libspeex.so.1 (0x00007f8350dc1000)
libschroedinger-1.0.so.0 => /usr/lib/libschroedinger-1.0.so.0 (0x00007f8350b0e000)
libgsm.so.1 => /usr/lib/libgsm.so.1 (0x00007f8350900000)
libva.so.1 => /usr/lib/x86_64-linux-gnu/libva.so.1 (0x00007f83506e9000)
libbz2.so.1.0 => /lib/x86_64-linux-gnu/libbz2.so.1.0 (0x00007f83504d9000)
libraw1394.so.11 => /usr/lib/x86_64-linux-gnu/libraw1394.so.11 (0x00007f83502c9000)
libusb-1.0.so.0 => /lib/x86_64-linux-gnu/libusb-1.0.so.0 (0x00007f83500ba000)
libv4l2.so.0 => /usr/lib/x86_64-linux-gnu/libv4l2.so.0 (0x00007f834feae000)
libfreetype.so.6 => /usr/lib/x86_64-linux-gnu/libfreetype.so.6 (0x00007f834fc11000)
libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f834f9f3000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f834f7ee000)
libpixman-1.so.0 => /usr/lib/x86_64-linux-gnu/libpixman-1.so.0 (0x00007f834f567000)
libxcb-shm.so.0 => /usr/lib/x86_64-linux-gnu/libxcb-shm.so.0 (0x00007f834f364000)
libxcb-render.so.0 => /usr/lib/x86_64-linux-gnu/libxcb-render.so.0 (0x00007f834f159000)
libgmodule-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0 (0x00007f834ef55000)
libselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007f834ed35000)
libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x00007f834eb19000)
libexpat.so.1 => /lib/x86_64-linux-gnu/libexpat.so.1 (0x00007f834e8ee000)
libogg.so.0 => /usr/lib/x86_64-linux-gnu/libogg.so.0 (0x00007f834e6e7000)
liborc-0.4.so.0 => /usr/lib/x86_64-linux-gnu/liborc-0.4.so.0 (0x00007f834e46c000)
libv4lconvert.so.0 => /usr/lib/x86_64-linux-gnu/libv4lconvert.so.0 (0x00007f834e1f6000)
libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 (0x00007f834dff3000)
libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f834dded000)
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MudassarA
commented on July 18, 2024
OK, I got it working now :) ... with LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libstdc++.so.6 matlab
Thanks! for the support
from mexopencv.
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