libcxx/include/__chrono/tzdb.h

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   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
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html
  11
  12 #ifndef _LIBCPP___CHRONO_TZDB_H
  13 #define _LIBCPP___CHRONO_TZDB_H
  14
  15 #include <version>
  16 // Enable the contents of the header only when libc++ was built with experimental features enabled.
  17 #if !defined(_LIBCPP_HAS_NO_INCOMPLETE_TZDB)
  18
  19 #  include <string>
  20
  21 #  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  22 #    pragma GCC system_header
  23 #  endif
  24
  25 _LIBCPP_BEGIN_NAMESPACE_STD
  26
  27 #  if _LIBCPP_STD_VER >= 20 && !defined(_LIBCPP_HAS_NO_TIME_ZONE_DATABASE) && !defined(_LIBCPP_HAS_NO_FILESYSTEM) &&   \
  28       !defined(_LIBCPP_HAS_NO_LOCALIZATION)
  29
  30 namespace chrono {
  31
  32 struct _LIBCPP_AVAILABILITY_TZDB tzdb {
  33   string version;
  34 };
  35
  36 } // namespace chrono
  37
  38 #  endif // _LIBCPP_STD_VER >= 20 && !defined(_LIBCPP_HAS_NO_TIME_ZONE_DATABASE) && !defined(_LIBCPP_HAS_NO_FILESYSTEM)
  39          // && !defined(_LIBCPP_HAS_NO_LOCALIZATION)
  40
  41 _LIBCPP_END_NAMESPACE_STD
  42
  43 #endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_TZDB)
  44
  45 #endif // _LIBCPP___CHRONO_TZDB_H