<para>
Before you start, make sure you've installed the Cygwin packages
<filename>openssh</filename>, <filename>openssl</filename>,
-<filename>cvs</filename>, <filename>m4</filename> and
+<filename>cvs</filename>, <filename>gdbm</filename>, <filename>m4</filename> and
<filename>autoconf</filename>. You also need to make sure that the
user environment variable <Constant>MAKE_MODE</Constant> is set to <Literal>UNIX</Literal>. If you don't do
this you get very weird messages when you type <Command>make</Command>, such as: