Comment 4 for bug 234475

also you must know that libfbclient.so symlink must be created so the lazarus components to be used

in my case i use firebird2.1 for example

ln -s /usr/lib/libfbclient.so.2.1.0 /usr/lib/libfbclient.so

i tested it with firebird 2.1
https://help.ubuntu.com/community/Firebird2.1
lazarus from the main ubuntu repository
http://mapopa.blogspot.com/2008/05/lazarus-ide-is-now-included-in.html
http://mapopa.blogspot.com/2008/05/using-lazarus-ide-with-firebird-in.html