cd /usr/local/lib/perl5/site_perl/5.9.2/i686-linux/auto/DBI/

mv DBI.so  test.so

gcc -shared -Wl,-soname,DBI.so -Wl,-rpath,/usr/local/lib/perl5/site_perl/5.9.2/i686-linux/auto/DBI -o DBI.so /usr/local/lib/perl5/5.9.2/i686-linux/CORE/libperl.so test.so