15f757f3fSDimitry Andric /*===---- __stddef_wchar.h - Definition of wchar_t -------------------------=== 25f757f3fSDimitry Andric * 35f757f3fSDimitry Andric * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 45f757f3fSDimitry Andric * See https://llvm.org/LICENSE.txt for license information. 55f757f3fSDimitry Andric * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 65f757f3fSDimitry Andric * 75f757f3fSDimitry Andric *===-----------------------------------------------------------------------=== 85f757f3fSDimitry Andric */ 95f757f3fSDimitry Andric 105f757f3fSDimitry Andric #if !defined(__cplusplus) || (defined(_MSC_VER) && !_NATIVE_WCHAR_T_DEFINED) 115f757f3fSDimitry Andric 12*439352acSDimitry Andric /* 13*439352acSDimitry Andric * When -fbuiltin-headers-in-system-modules is set this is a non-modular header 14*439352acSDimitry Andric * and needs to behave as if it was textual. 15*439352acSDimitry Andric */ 16*439352acSDimitry Andric #if !defined(_WCHAR_T) || \ 17*439352acSDimitry Andric (__has_feature(modules) && !__building_module(_Builtin_stddef)) 185f757f3fSDimitry Andric #define _WCHAR_T 195f757f3fSDimitry Andric 205f757f3fSDimitry Andric #ifdef _MSC_EXTENSIONS 215f757f3fSDimitry Andric #define _WCHAR_T_DEFINED 225f757f3fSDimitry Andric #endif 235f757f3fSDimitry Andric 245f757f3fSDimitry Andric typedef __WCHAR_TYPE__ wchar_t; 255f757f3fSDimitry Andric 265f757f3fSDimitry Andric #endif 275f757f3fSDimitry Andric 285f757f3fSDimitry Andric #endif 29