From 4a683e74a6afd9896df3c32b9d9d334e4599f7d3 Mon Sep 17 00:00:00 2001
From: Oliver Tappe
Date: Tue, 9 Jun 2009 18:05:47 +0000
Subject: * fixed a whole lot of circular references which I found when
 researching #451 * some minor cleanups along the way

git-svn-id: http://svn.openslx.org/svn/openslx/openslx/trunk@2944 95ad53e4-c205-0410-b2fa-d234c58c8868
---
 installer/OpenSLX/OSExport/Distro/Base.pm | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'installer/OpenSLX/OSExport/Distro/Base.pm')

diff --git a/installer/OpenSLX/OSExport/Distro/Base.pm b/installer/OpenSLX/OSExport/Distro/Base.pm
index 1b3edb63..aa24f8de 100644
--- a/installer/OpenSLX/OSExport/Distro/Base.pm
+++ b/installer/OpenSLX/OSExport/Distro/Base.pm
@@ -18,6 +18,8 @@ use warnings;
 
 our $VERSION = 1.01;        # API-version . implementation-version
 
+use Scalar::Util qw( weaken );
+
 use OpenSLX::Basics;
 
 ################################################################################
@@ -34,6 +36,8 @@ sub initialize
     my $engine = shift;
 
     $self->{'engine'} = $engine;
+    weaken($self->{'engine'});
+        # avoid circular reference between distro and its engine
 
     $self->initDistroInfo();
     return;
-- 
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