--- src/lib/libast/features/wchar.orig	2012-01-12 15:40:22.000000000 +0800
+++ src/lib/libast/features/wchar	2012-06-12 10:05:37.278869903 +0800
@@ -51,6 +51,7 @@
 run{
 cat <<!
 	#if _hdr_wchar && defined(_nxt_wchar)
+	#define _STDFILE_DECLARED
 	#include ${_nxt_wchar-_nxt_wchar}	/* the native wchar.h */
 	#endif