Linux - SO file not found

Question

I have a program which requires liblog4cpp installed to run.

Now, I want the program to run on another machine without liblog4cpp. So I just find the log4cpp.so and move it to the same directory of my program. But at running error reported:

error while loading shared libraries: liblog4cpp.so.4: cannot open shared object file: No such file or directory

Am I doing it right? How can I tell the program to find the SO file just beside it?

Answer 1

In addition to what others are suggesting, consider adding the file to the dynamic linker's cache. You can do it like this:

ldconfig -l /path/to/lib/liblog4.so.4

To add it to the loader's cache use the following command: ldconfig

Then in order to verify that it was correctly added, run this:

ldconfig -v | grep liblog