Index: abi/include/_bits/wchar_t.h
===================================================================
--- abi/include/_bits/wchar_t.h	(revision 76f566de890cd5cbde52f45bfddc66bd4993b126)
+++ abi/include/_bits/wchar_t.h	(revision 21a7ebc3e91c07ae4c90a09940add413118afd2c)
@@ -43,5 +43,7 @@
 #include <_bits/macros.h>
 
+#ifndef __cplusplus
 typedef __WCHAR_TYPE__ wchar_t;
+#endif
 
 #endif