| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| /* Various compiler checks. */ |
| |
| #ifndef mozilla_Compiler_h_ |
| #define mozilla_Compiler_h_ |
| |
| #if !defined(__clang__) && defined(__GNUC__) |
| |
| #define MOZ_IS_GCC 1 |
| /* |
| * This macro should simplify gcc version checking. For example, to check |
| * for gcc 4.5.1 or later, check `#ifdef MOZ_GCC_VERSION_AT_LEAST(4, 5, 1)`. |
| */ |
| # define MOZ_GCC_VERSION_AT_LEAST(major, minor, patchlevel) \ |
| ((__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) \ |
| >= ((major) * 10000 + (minor) * 100 + (patchlevel))) |
| #if !MOZ_GCC_VERSION_AT_LEAST(4, 4, 0) |
| # error "mfbt (and Gecko) require at least gcc 4.4 to build." |
| #endif |
| |
| #else |
| |
| #define MOZ_IS_GCC 0 |
| |
| #endif |
| |
| #endif /* mozilla_Compiler_h_ */ |
