Sebastien Lemieux <slemieux(at)elitra(dot)com> writes:
> Then I get:
> ERROR: Can't find function add_one in file /[PathToTheObject]/pgsql_bio.so
Hmm. I can't see anything wrong with what you did, either.
It's possible that the dynamic linker has printed additional messages to
the backend's stderr. Make sure that you have stderr set up to go
someplace useful (not /dev/null) and look there to see if you can learn
more.
regards, tom lane