I had an older version of libopencv_highgui.so installed in /opt/lib.
This was a remnant from building Blender myself in the recent past.
So "non-standard" means "other version than is in the Ubuntu repo".
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Problem was on my end with a non standard library in the search path.
** Changed in: blender (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1772441
Title:
Blen
Public bug reported:
$ sudo apt install blender
$ blender
blender: error while loading shared libraries: libopencv_highgui.so.2.4: cannot
open shared object file: No such file or directory
$ ldd /usr/bin/blender | grep found
libopencv_highgui.so.2.4 => not found
libopencv_imgproc.so.2.4 => not
Problem occured also when using Qt's QSerialPort.
QSerialPort::waitforReadyRead() returns true, bute
QSerialPort::readAll() returns no data.
Downgrading kernel version to 3.13.0-63 'fixed' the problem.
Gr. Henk
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Qt 5.5.0
Linux henklaak-desktop 3.13.0-65-generic #105-Ubuntu SMP M
