From 9c5fbdb040dd78bdf4e3484e31536437a8134b7f Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Sun, 13 Nov 2022 08:18:10 +0100
Subject: [PATCH] Fix compatibility with OCC version 7.4 and older

---
 pcbnew/exporters/step/exporter_step.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pcbnew/exporters/step/exporter_step.cpp b/pcbnew/exporters/step/exporter_step.cpp
index 0cc372f955..2d8e904728 100644
--- a/pcbnew/exporters/step/exporter_step.cpp
+++ b/pcbnew/exporters/step/exporter_step.cpp
@@ -41,6 +41,12 @@
 
 #include <wx/crt.h>
 
+#define OCC_VERSION_MIN 0x070500
+
+#if OCC_VERSION_HEX < OCC_VERSION_MIN
+#include <Message_Messenger.hxx>
+#endif
+
 #define DEFAULT_BOARD_THICKNESS 1.6
 
 void ReportMessage( const wxString& aMessage )