diff -up wxGTK-2.8.12/src/common/appbase.cpp.abicheck wxGTK-2.8.12/src/common/appbase.cpp
--- wxGTK-2.8.12/src/common/appbase.cpp.abicheck	2015-03-12 17:15:18.000000000 +0100
+++ wxGTK-2.8.12/src/common/appbase.cpp	2015-03-12 17:15:57.000000000 +0100
@@ -424,10 +424,12 @@ bool wxAppConsole::CheckBuildOptions(con
         msg.Printf(_T("Mismatch between the program and library build versions detected.\nThe library used %s,\nand %s used %s."),
                    lib.c_str(), progName.c_str(), prog.c_str());
 
-        wxLogFatalError(msg.c_str());
-
-        // normally wxLogFatalError doesn't return
-        return false;
+        // Log to the console, otherwise a dialog will appear everytime 
+        // a mismatch happens (e.g. every program start)
+        wxLogStream cerrLog(NULL);
+        wxLog* oldLog = wxLog::SetActiveTarget(&cerrLog);
+        wxLogWarning(msg.c_str());
+        wxLog::SetActiveTarget(oldLog);
     }
 #undef wxCMP