1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef _LIBCPP___CONFIGURATION_EXPERIMENTAL_H
10#define _LIBCPP___CONFIGURATION_EXPERIMENTAL_H
11
12#include <__config_site>
13
14#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
15# pragma GCC system_header
16#endif
17
18#if __has_feature(experimental_library)
19# ifndef _LIBCPP_ENABLE_EXPERIMENTAL
20# define _LIBCPP_ENABLE_EXPERIMENTAL
21# endif
22#endif
23
24// Incomplete features get their own specific disabling flags. This makes it
25// easier to grep for target specific flags once the feature is complete.
26#if defined(_LIBCPP_ENABLE_EXPERIMENTAL) || defined(_LIBCPP_BUILDING_LIBRARY)
27# define _LIBCPP_HAS_EXPERIMENTAL_LIBRARY 1
28#else
29# define _LIBCPP_HAS_EXPERIMENTAL_LIBRARY 0
30#endif
31
32#define _LIBCPP_HAS_EXPERIMENTAL_PSTL _LIBCPP_HAS_EXPERIMENTAL_LIBRARY
33#define _LIBCPP_HAS_EXPERIMENTAL_TZDB _LIBCPP_HAS_EXPERIMENTAL_LIBRARY
34#define _LIBCPP_HAS_EXPERIMENTAL_SYNCSTREAM _LIBCPP_HAS_EXPERIMENTAL_LIBRARY
35#define _LIBCPP_HAS_EXPERIMENTAL_HARDENING_OBSERVE_SEMANTIC _LIBCPP_HAS_EXPERIMENTAL_LIBRARY
36#define _LIBCPP_HAS_EXPERIMENTAL_OPTIONAL_ITERATOR _LIBCPP_HAS_EXPERIMENTAL_LIBRARY
37
38#endif // _LIBCPP___CONFIGURATION_EXPERIMENTAL_H
39