From daac95400f4c8f46ff953a549d5c6e164a909bd3 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Thu, 1 Oct 2020 23:43:34 +0100
Subject: [PATCH] Make sure new DRC_ENGINE is initialized.

Fixes https://gitlab.com/kicad/code/kicad/issues/5824
---
 pcbnew/swig/pcbnew_scripting_helpers.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pcbnew/swig/pcbnew_scripting_helpers.cpp b/pcbnew/swig/pcbnew_scripting_helpers.cpp
index c64ccef1b4..4aba510723 100644
--- a/pcbnew/swig/pcbnew_scripting_helpers.cpp
+++ b/pcbnew/swig/pcbnew_scripting_helpers.cpp
@@ -152,6 +152,17 @@ BOARD* LoadBoard( wxString& aFileName, IO_MGR::PCB_FILE_T aFormat )
         BOARD_DESIGN_SETTINGS& bds = brd->GetDesignSettings();
         bds.m_DRCEngine = std::make_shared<DRC_ENGINE>( brd, &bds );
 
+        try
+        {
+            wxFileName rules = pro;
+            rules.SetExt( DesignRulesFileExtension );
+            bds.m_DRCEngine->InitEngine( rules );
+        }
+        catch( ... )
+        {
+            // Best efforts...
+        }
+
         for( MARKER_PCB* marker : brd->ResolveDRCExclusions() )
             brd->Add( marker );