doesn't ship with a supported version of the
    <productname>Microsoft Windows SDK</productname> it is recommended
    that you upgrade to the latest version (currently version 10), available
    for download from <ulink url="https://www.microsoft.com/download"></ulink>.
   </para>

   <para>
    You must always include the
    <application>Windows Headers and Libraries</application> part of the SDK.
    If you install a <productname>Windows SDK</productname>
    including the <application>Visual C++ Compilers</application>,
    you don't need <productname>Visual Studio</productname> to build.
    Note that as of Version 8.0a the Windows SDK no longer ships with a
    complete command-line build environment.
   </para>

   <sect3 id="windows-requirements">
    <title>Requirements</title>
    <para>
     The following additional products are required to build
     <productname>PostgreSQL</productname> on Windows.

     <variablelist>
      <varlistentry>
       <term><productname>Strawberry Perl</productname></term>
       <listitem><para>
        Strawberry Perl is required to run the build generation scripts. MinGW
        or Cygwin Perl will not work. It must also be present in the PATH.
        Binaries can be downloaded from
        <ulink url="https://strawberryperl.com"></ulink>.
       </para></listitem>
      </varlistentry>

      <varlistentry>
       <term><productname>Bison</productname> and
        <productname>Flex</productname></term>
       <listitem>
       <para>
        Binaries for <productname>Bison</productname> and
        <productname>Flex</productname> can be downloaded from <ulink
        url="https://github.com/lexxmark/winflexbison"></ulink>.
       </para>
       </listitem>
      </varlistentry>
     </variablelist>
    </para>

    <para>
     The following additional products are not required to get started,
     but are required to build the complete package.

     <variablelist>
      <varlistentry>
       <term><productname>Magicsplat Tcl</productname></term>
       <listitem><para>
        Required for building <application>PL/Tcl</application>.
        Binaries can be downloaded from
        <ulink url="https://www.magicsplat.com/tcl-installer/index.html"></ulink>.
       </para></listitem>
      </varlistentry>

      <varlistentry>
       <term><productname>Diff</productname></term>
       <listitem><para>
        Diff is required to run the regression tests, and can be downloaded
        from <ulink url="http://gnuwin32.sourceforge.net"></ulink>.
       </para></listitem>
      </varlistentry>

      <varlistentry>
       <term><productname>Gettext</productname></term>
       <listitem><para>
        Gettext is required to build with NLS support, and can be downloaded
        from <ulink url="http://gnuwin32.sourceforge.net"></ulink>. Note that binaries,
        dependencies and developer files are all needed.
       </para></listitem>
      </varlistentry>

      <varlistentry>
       <term><productname>MIT Kerberos</productname></term>
       <listitem><para>
        Required for GSSAPI authentication support. MIT Kerberos can be
        downloaded from
        <ulink url="https://web.mit.edu/Kerberos/dist/index.html"></ulink>.
       </para></listitem>
      </varlistentry>

      <varlistentry>
       <term><productname>libxml2</productname> and
        <productname>libxslt</productname></term>
       <listitem><para>
        Required for XML support. Binaries can be downloaded from
        <ulink url="https://zlatkovic.com/pub/libxml"></ulink> or source from
        <ulink url="http://xmlsoft.org"></ulink>. Note that libxml2 requires iconv,
        which is available from the same download location.
       </para></listitem>
      </varlistentry>

      <varlistentry>
       <term><productname>LZ4</productname></term>