diff -Naur a/Modules/gdbmmodule.c b/Modules/gdbmmodule.c
--- a/Modules/gdbmmodule.c	2014-05-31 22:58:40.000000000 +0400
+++ b/Modules/gdbmmodule.c	2014-06-03 08:14:52.562400000 +0400
@@ -11,7 +11,7 @@
 #include <fcntl.h>
 #include "gdbm.h"
 
-#if defined(WIN32) && !defined(__CYGWIN__)
+#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__MINGW32__)
 #include "gdbmerrno.h"
 extern const char * gdbm_strerror(gdbm_error);
 #endif