wget -c http://download.oracle.com/berkeley-db/db-4.7.25.NC.tar.gz tar zxvf db-4.7.25.NC.tar.gz cd db-4.7.25.NC/build_unix ../dist/configure --prefix=/opt/BerkeleyDB.4.7 make make install
# mv /usr/include/db.h /usr/include/db.h.old # sudo ln -s /usr/local/BerkeleyDB.4.6/include/db.h /usr/include/db.h