// -*- C++ -*- forwarding header. // Copyright (C) 2001-2025 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // . /** @file ciso646 * This is a Standard C++ Library file. You should @c \#include this file * in your programs, rather than any of the @a *.h implementation files. * * This is the C++ version of the Standard C Library header @c iso646.h, * which is empty in C++. * * @since C++11 (removed in C++20) */ #ifndef _GLIBCXX_CISO646 #define _GLIBCXX_CISO646 #ifdef _GLIBCXX_SYSHDR #pragma GCC system_header #endif #include #if __cplusplus >= 202002L # if ! _GLIBCXX_USE_DEPRECATED # error " is not a standard header since C++20, use to detect implementation-specific macros" # elif defined __DEPRECATED # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wc++23-extensions" # warning " is not a standard header since C++20, use to detect implementation-specific macros" # pragma GCC diagnostic pop # endif #endif #endif