[SOLVED] How to install QT under the Raspbian image?
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ldd says : not a dynamic executable
the readelf commands seem to work even if the folder is /opt/qt50-snapshot/lib. does this matter?
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do I have to use special settings in the pro file or otherwere in the project?
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Is it possible that I have to use another qmake to cross-compile for the wheezy than for the original qtonpi image?
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can be solved by
export LD_LIBRARY_PATH=/opt/qt50-snaphot/lib
before running the qt-program.
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I ran into the same problem, but in my case it comes from a custom QT5 build (not the snapshot).
Anyway, if followed http://qt-project.org/wiki/RaspberryPi_Beginners_Guide
and qt ended being installed not in opt but in /usr/local/qt5pi/
libQtQuick.so.5.0.0 is in the lib subfolder but setting LD_LIBRARY_PATH does not change anything which is quite surprising, and as for Pinkypanzer the ldd tells me hello-qtonpi is not an executable :(Any other clue?
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where did you execute it? via QtCreator or locally on the pi?
do you have the rights to execute it? -
Both give the same result: running from QtCreator and running locally give the same error message
Yes, my binaries are in 644 mode
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now I see there's an error in my post. it has to be
export LD_LIBRARY_PATH=/opt/qt50-snapshot/lib
maybe this is your problem? you have to link the lib-folder -
Indeed I've done that, but qt is not installed in opt for me, it is in /usr/local/qt5pi/lib !
And obviously I did not picked up the path, it came out of the box from the guidelines :( -
in QT CREATOR you have to set the the path in the system environment
cited from the beginners guide:
At last, add the LD_LIBRARY_PATH on the “System Environment” and set it to “/usr/local/qt5pi/lib”In my case the path would be "/opt/qt50-snapshot/lib"
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Then I'm sorry, I don't know what your problem is.
Did you check the path is available at you pi and you have the rights to read from it? -
@jcverdie
I followed the beginners guide like yourself also and ran into the same problem.
Apps deployed and executed from within QtCreator ran correctly on the device but if I went to the command line on the RPi itself, I couldn't execute them (libQtQuick.. not found)
Running: export LD_LIBRARY_PATH=/usr/local/qt5pi/lib/
Fixes this problem but only when logged in as root!
If I export LD_LIBRARY_PATH as user 'pi' I still cannot execute the binary (same error as before).
Stranger still, QtCreator which can deploy and run the binary correctly, is logging in via ssh with user 'pi' !
Any ideas why this is happening?