wget http://search.cpan.org/CPAN/authors/id/E/ED/EDPRATOMO/DBD-InterBase-0.48.tar.gz
tar -zxvf DBD-InterBase-0.48.tar.gz
cd DBD-InterBase-0.48
perl Makefile.PL
	bin directory : /usr/lib/firebird/2.1/bin
	include directory : /usr/include
	lib directory : /usr/lib
	libfbembed? (y/n) [n] 
	Full path to your test database:   /tmp/foo/test.fdb
	Username :  SYSDBA
	Password :  masterkey
make
make test (optional step)
make install