Problem in Ogre 1.7, Ubuntu 10.04

I have the bullets engine and OgreBullet

when i try to run my project i get:

error while loading shared libraries: libOgreBulletCol.so.0: cannot open shared object file: No such file or directory

I Solve the prolem

i put `pkg-config --cflags bullet` in other options

and

`pkg-config --libs bullet`

in other linker options