From ff9d435a951318abbcbe3a48b1b78f9e59f82aab Mon Sep 17 00:00:00 2001
From: liuhaitao <liuhaitao@xiaomi.com>
Date: Fri, 29 May 2020 14:45:09 +0800
Subject: [PATCH] include/cxx/cwchar: include wctype.h to fix libcxx build
 break

Note that iswalnum etc functions defined in wctype.h, and cwchar uses them.
So include wctype.h to fix libcxx build break.

Change-Id: I0f6b402d817f0927729800bdb8b9fce15e76ec3d
Signed-off-by: liuhaitao <liuhaitao@xiaomi.com>
---
 include/cxx/cwchar | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/cxx/cwchar b/include/cxx/cwchar
index fa70b9d53b..2e860b14ea 100644
--- a/include/cxx/cwchar
+++ b/include/cxx/cwchar
@@ -43,6 +43,7 @@
 #include <nuttx/config.h>
 
 #include <wchar.h>
+#include <wctype.h>
 #include <stdlib.h>
 
 //***************************************************************************