--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 Berkely DB. --disable-debug: Disable debugging code. make test: Validate correct build of the package.