loadlibrary fails on MatlabR2008b but works on others fine

Hello,

I have a library that I load with a prototype file without problem on Windows, Mac and Linux. But on xubuntu and MatlabR2008b, it fails with following message:

Error using ==> loaddefinedlibrary myLibrary.so: cannot open shared object file: No such file or directory

I made sure that "myLibrary.so" and "myLibraryProto.m" are in the current Matlab folder, that its dependencies are ok (ldd myLibrary.so found all dependences), and that the library is also 32 bit. As a precaution, I also added current folder to the path with addpath.

I load my library with:

loadlibrary('myLibrary',@myLibraryProto);

but never call "loaddefinedlibrary" myself. And searching for that command didn't show any Matlab documentation.

Anyone has a clue what is going on?

Thanks a lot