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