diff --git a/include/wx/filefn.h b/include/wx/filefn.h
index 7c825eda5f..03fa8300d2 100644
--- a/include/wx/filefn.h
+++ b/include/wx/filefn.h
@@ -17,6 +17,7 @@
 #endif
 
 #include "wx/list.h"
+#include "wx/arrstr.h"
 
 #ifndef __WXWINCE__
 #include <time.h>
diff --git a/include/wx/log.h b/include/wx/log.h
index 6de7068a44..89e0d41dc2 100644
--- a/include/wx/log.h
+++ b/include/wx/log.h
@@ -496,7 +496,7 @@ DECLARE_LOG_FUNCTION(Status);
 
 #if wxUSE_GUI
     // this one is the same as previous except that it allows to explicitly
-    class wxFrame;
+    class WXDLLEXPORT wxFrame;
     // specify the frame to which the output should go
     DECLARE_LOG_FUNCTION2_EXP(Status, wxFrame *pFrame, WXDLLIMPEXP_CORE);
 #endif // wxUSE_GUI