if you want to be sure that all libs in var/install/usr/lib are known : add this path to /etc/ld.so.conf then run ldconfig et voila
I think libical is used by gnokii & can bi find in /usr/lib ...
I have some problem with gnokii & my 6230i so I try to work on that front too and the gnokii team is very helpfull
Glad to work with open source & open minded people !
Fred