diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index 6783361c6..34d21bbb7 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -11401,6 +11401,26 @@
     <arg nr="3" direction="in" default="0"/>
     <arg nr="4" direction="in" default="0"/>
   </function>
+  <!-- bool wxConcatFiles( const wxString & src1, const wxString & src2, const wxString & dest ) -->
+  <function name="wxConcatFiles">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval/>
+    <arg nr="1" direction="in"/>
+    <arg nr="2" direction="in"/>
+    <arg nr="3" direction="in"/>
+  </function>
+  <!-- bool wxCopyFile(const wxString & file1, const wxString & file2, bool overwrite = true ) -->
+  <function name="wxCopyFile">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval/>
+    <arg nr="1" direction="in"/>
+    <arg nr="2" direction="in"/>
+    <arg nr="3" direction="in" default="true">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId & parent, const wxString & text, int image = -1, int selImage = -1, wxTreeItemData * data = NULL)-->
   <function name="wxTreeCtrl::AppendItem">
     <leak-ignore/>