Created attachment 133067 [details] [review] patch In order to try running apps uninstalled, I unset LD_LIBRARY_PATH in my setup (which would other pick up installed stuff). For most apps/libs it works, because the RUNPATH points to my lib install dir. One issue with that is poppler. It doesn't have a RPATH or RUNPATH set, so a QtCore-only program (like kfilemetadata's popplerextractortest) linking to my self-built QtCore and to libpoppler-qt5.so would end up grabbing QtGui from /usr/lib instead of my self-built QtGui => incompatible Qt versions, the program can't run. This is a one-liner fix with cmake.
Pushed
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