[gtkmm] running problem on suse

[nkorde engin umich edu]

i am using suse 8.x to compile gtkmm progs. the sample prog intutorial did
compile  but when I tried to run it this is what i get this
'error while loading shared libraries: libgtkmm-2.0.so.1: Cannot open shared
object file: No such file or directory'
But that file is there sitting in my /usr/local/lib
What can I do to get it loaded ?
Thanx,
Neeraj