| /* Verify that prerequisites of files including this header have been included | |
| through system.h. | |
| Copyright (C) 2026 The GNU Toolchain Authors. | |
| This file is part of GCC. | |
| GCC 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. | |
| GCC 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. | |
| You should have received a copy of the GNU General Public License | |
| along with GCC; see the file COPYING3. If not see | |
| <http://www.gnu.org/licenses/>. */ | |
| #ifdef WANT_FUNCTIONAL | |
| # include <functional> | |
| # ifndef INCLUDE_FUNCTIONAL | |
| # ifdef GCC_SYSTEM_H | |
| # warning "<functional> included after system.h. " \ | |
| "Please define INCLUDE_FUNCTIONAL before including system.h" | |
| # endif | |
| # endif | |
| # undef WANT_FUNCTIONAL | |
| #endif |