RuntimeError when starting pari/library not found
I am using a binary distribution of sage 7.1 for debian jessie and "installed" it to /opt.
Now, when I want to use pari, I get a runtime error:
--> Switching to PARI/GP interpreter <--
RuntimeError: unable to start pari
The full backtrace can be found here: paste.kde.org/pvqeoh3ve
however, the following works:
It seems that sage is unable to find that library when starting pari.
Setting SAGE_ROOT does not help. Did I miss some configuration file to set the library path for sage?