How to setup Firebird embedded on Linux or Mac?
Although only Windows is officially supported, you can also use embedded on Linux, by using the Classic. There is an easy step-by-step HOWTO available:
It is written for Firebird 1.5, but works with 2.0 with some minor changes (adding icu .so files).
For Mac OS X, take a look at the following guide:
The same blog describes how to create an installation package for all the Firebird files and your application: