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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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
#define MOZ_IS_GCC 0
#if !defined(__clang__) && defined(__GNUC__)
# undef MOZ_IS_GCC
# define MOZ_IS_GCC 1
/*
* These macros should simplify gcc version checking. For example, to check
* for gcc 4.7.1 or later, check `#if MOZ_GCC_VERSION_AT_LEAST(4, 7, 1)`.
*/
# define MOZ_GCC_VERSION_AT_LEAST(major, minor, patchlevel) \
((__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) >= \
((major)*10000 + (minor)*100 + (patchlevel)))
# define MOZ_GCC_VERSION_AT_MOST(major, minor, patchlevel) \
((__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) <= \
((major)*10000 + (minor)*100 + (patchlevel)))
# if !MOZ_GCC_VERSION_AT_LEAST(6, 1, 0)
# error "mfbt (and Gecko) require at least gcc 6.1 to build."
# endif
#endif
#endif /* mozilla_Compiler_h */
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