How to use pretty debugging printers to see Eigen objects in QtCreator?

Question

I am trying to see the contents of an Eigen vector in the Locals and Expressions window of the QtCreator:

Answer 1

This is a bug in /usr/lib/debug/usr/lib/i386-linux-gnu/libstdc++.so.6.0.18-gdb.py. Make sure you have the lastest version of the gcc4.8 packages, it might be that this issue is already fixed in unbuntu (it is fixed in debian). See this bug entry. In the last ressort you can patch this file so that it searches in the right location.