Index: abi/include/_bits/wchar_t.h
===================================================================
--- abi/include/_bits/wchar_t.h	(revision 45c39ad9c752a8aa765ee9ba01ed1afe9196c0fe)
+++ abi/include/_bits/wchar_t.h	(revision ccf7a7e26a4b2ec8eef17440304266a7758723c9)
@@ -43,5 +43,7 @@
 #include <_bits/macros.h>
 
+#ifndef __cplusplus
 typedef __WCHAR_TYPE__ wchar_t;
+#endif
 
 #endif