Do not use perldoc if not available.
--- a/update-serial.pl Fri Nov 05 10:05:08 2010 +0100
+++ b/update-serial.pl Fri Nov 05 16:16:13 2010 +0100
@@ -16,6 +16,7 @@
use strict;
use warnings;
+use 5.010;
use File::Copy;
use File::Basename;
@@ -53,7 +54,7 @@
"y|r|yes|reload!" => \$opt_reload,
"dnssec!" => \$opt_dnssec,
"h|help" => sub { pod2usage(-exit => 0, -verbose => 1) },
- "m|man" => sub { pod2usage(-exit => 0, -verbose => 2) },
+ "m|man" => sub { pod2usage(-noperldoc => system(perldoc => "-V"), -exit => 0, -verbose => 2) },
"version" => sub { print "$0 $VERSION\n"; exit 0; },
) or pod2usage();