From ad6c91bcbd46493c48ebf2ad1ffcf8ba1cfa5713 Mon Sep 17 00:00:00 2001
From: Tom Eastep <teastep@shorewall.net>
Date: Fri, 25 Jul 2014 21:03:48 -0700
Subject: [PATCH] Allow optimize level 8 to work with Perl 5.20.0.

Signed-off-by: Tom Eastep <teastep@shorewall.net>
---
 Shorewall/Perl/Shorewall/Chains.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Shorewall/Perl/Shorewall/Chains.pm b/Shorewall/Perl/Shorewall/Chains.pm
index b4acfa258..509e1c69b 100644
--- a/Shorewall/Perl/Shorewall/Chains.pm
+++ b/Shorewall/Perl/Shorewall/Chains.pm
@@ -3503,7 +3503,7 @@ sub optimize_level8( $$$ ) {
     %renamed = ();
 
     while ( $progress ) {
-	my @chains   = ( sort level8_compare grep $_->{referenced} && ! $_->{builtin}, values %{$tableref} );
+	my @chains   = ( sort { level8_compare($a, $b) } ( grep $_->{referenced} && ! $_->{builtin}, values %{$tableref} ) );
 	my @chains1  = @chains;
 	my $chains   = @chains;
 	my %rename;