You'll might want to make some of these optional, but given the strange behaviour when old versions of certain modules are used, this is a nice sanity check.
<pre>
Index: Makefile.PL
===================================================================
--- Makefile.PL (revision 2626)
+++ Makefile.PL (working copy)
@@ -71,4 +71,20 @@
        PREFIX          => "/usr/local",
        PM_FILTER       => './pm_filter $(PREFIX) $(VER) $(PROBABLE_INST_LIB)',
        MAN1PODS        => {},
+       PREREQ_PM   => {
+        'Text::Markdown'   => 0,
+        'URI'              => 0,
+        'HTML::Parser'     => 0,
+        'CGI::Session'     => 0,
+        'CGI::FormBuilder' => 3.02.02,
+        'Mail::Sendmail'   => 0,
+        'Time::Duration'   => 0,
+        'DateTime'         => 0,
+        'HTML::Scrubber'   => 0,
+        'RPC::XML'         => 0,
+        'XML::Simple'      => 0,
+        'XML::Feed'        => 0,
+        'File::MimeInfo'   => 0,
+        'Locale::gettext'  => 1.04
+    }
 );
</pre>