kdevelop: error while loading shared libraries: /usr/lib/kde3/libkdevfilecreate.so: undefined symbol: _ZN17ConfigWidgetProxy23createProjectConfigPageERK7QStringjS2_ qt-3.3 kde-3.2.3 gcc-3.3.3
This was due to the older libraries from prior kdevelop versions! So they collided or were falsely registered on startup... The solution is : 1) If you can live without the older version(s) of kdevelop, then delete all libkdev* in the kde- lib path(s) (usually /usr/kde/3.x.x/lib, u must be root to do that) 'rm -f libkdev*' but be carefull to not delete other things ;-) 2) somehow u must ensure that the the new kdevelop cannot 'find' the older libs...
*** Bug 68803 has been marked as a duplicate of this bug. ***
BTW, I think this is a problem with the Makefiles of kdevelop, because it wants to link to the already installed one libs instead of the just compiled ones.
This is resolved when I compile from source. So, the bug is in the kde virtuals, not in the kdevelop makefiles as was mentioned above.