text: /* -*- 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
  
  #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 */
  