2 //===----------------------------------------------------------------------===//
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //===----------------------------------------------------------------------===//
10 #ifndef _LIBCPP_CSTDBOOL
11 #define _LIBCPP_CSTDBOOL
18 __bool_true_false_are_defined
24 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
25 # pragma GCC system_header
28 #undef __bool_true_false_are_defined
29 #define __bool_true_false_are_defined 1
31 #if _LIBCPP_STD_VER >= 20
33 using __standard_header_cstdbool _LIBCPP_DEPRECATED_("removed in C++20.") = void;
34 using __use_standard_header_cstdbool = __standard_header_cstdbool;
36 #elif _LIBCPP_STD_VER >= 17
38 using __standard_header_cstdbool _LIBCPP_DEPRECATED = void;
39 using __use_standard_header_cstdbool = __standard_header_cstdbool;
43 #endif // _LIBCPP_CSTDBOOL