--prefix=/usr : Sets the prefix for almost all the file paths to /usr. --sysconfdir=/etc : Sets the configuration file directory to avoid the default of /usr/etc. --libexecdir=/usr/sbin : Puts the server executables in /usr/sbin instead of /usr/libexec. --enable-ldbm : Enable the most recent version of the Berkeley DB. --disable-debug : Disable debugging code. make test: Validate correct build of the package.