Created attachment 153513 [details]
QT_PLUGIN_PATH=~/kde/usr/lib64/plugins:$QT_PLUGIN_PATH ltrace -C -o ltrace.log ~/kde/usr/bin/kate

SUMMARY

Kate launched by kdesrc-run crashes because katefilebrowserplugin.so tries to load the wrong version of libKF5KIOFileWidgets.so.5 in the system path (/usr/lib64). The plugin reports a symbol lookup error on "_ZNK12KDirOperator6actionENS_6ActionE".

STEPS TO REPRODUCE
1. Use kdesrc-build to build Kate and install it at ~/kde/usr/ 
2. Execute "kdesrc-run kate"

OBSERVED RESULT
A symbol lookup error message will show, saying that katefilebrowserplugin.so tries to find the undefined symbol "_ZNK12KDirOperator6actionENS_6ActionE". The issue relates to commit 4cfb4123efc89b425dea176ccb5b58ce2f0ad5da.

The issue can be solved by defining LD_LIBRARY_PATH. kdesrc-run uses prefix.sh from build trees to define environment variables. However, the LD_LIBRARY_PATH variable has been commented out with a comment stating that "LD_LIBRARY_PATH only needed if you are building without rpath." I checked the katefilebrowserplugin.so with "readelf -d", and the RUNPATH is pointing to the correct location.

EXPECTED RESULT

The plugin should find the proper KIO library even when the LD_LIBRARY_PATH is not set. Alternatively, LD_LIBRARY_PATH should be set in prefix.sh by default.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora Linux 36
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.99.0
Qt Version: 5.15.6

ADDITIONAL INFORMATION