From 324000ceb51820b534cfaa507b40d4b65600ee1e Mon Sep 17 00:00:00 2001
From: Lieven Hollevoet <hollie@lika.be>
Date: Sun, 15 Nov 2015 18:21:36 +0100
Subject: [PATCH] Only include the PLCBUS module if we actually need it.

Otherwise we require users to install supporting modules for PLCBUS.
---
 lib/read_table_A.pl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/read_table_A.pl b/lib/read_table_A.pl
index 9cefde9b8..8bc91e2c0 100644
--- a/lib/read_table_A.pl
+++ b/lib/read_table_A.pl
@@ -1166,10 +1166,12 @@ sub read_table_A {
     }
     #-------------- End AD2 Objects -------------
     elsif($type =~ /PLCBUS_.*/){
-        use PLCBUS;
         $packages{PLCBUS}++;
         ( $address, $name, $grouplist, @other) = @item_info;
         ($object,$grouplist,$additional_code) = PLCBUS->generate_code($type, @item_info);
+        if( ! $packages{PLCBUS}++ ) {   # first time for this object type?
+            $code .= "use PLCBUS;\n";
+        }
     }
     else {
         print "\nUnrecognized .mht entry: $record\n";