This apache module requires db-4.3 compiled with c++ extensions and libmm (a shared memory manager). To build this apache module, perform the following steps: > ./configure --with-apxs=/path/to/apxs --with-db4=/usr/local/BerkeleyDb-4.3 --with-mm=/usr/local > make > su - # make install Post-installation, modules can use this extension via the functions documented in $APACHE_INCLUDEDIR/mod_db4_export.h