Install Berkeley DB by running the following commands: cd build_unix && ../dist/configure --prefix=/opt/db-3.3 --enable-compat185 && make && make docdir=/opt/db-3.3/doc/Berkeley-DB install && cd /opt/db-3.3/lib/ && rm -f libdb.so && for i in $(ls); do mv $i /usr/lib; ln -sf /usr/lib/$i; done && cd /opt/db-3.3/include/ && sed 's/^DB185/DB/' db_185.h > db_185.h.new && mv db_185.h.new db_185.h && ln -nsf /opt/db-3.3/include /usr/include/db3