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https://github.com/Stichting-MINIX-Research-Foundation/pkgsrc-ng.git
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46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
$NetBSD: patch-mozilla_mfbt_Alignment.h,v 1.1 2015/07/13 17:49:26 ryoon Exp $
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--- mozilla/mfbt/Alignment.h.orig 2014-07-18 00:05:43.000000000 +0000
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+++ mozilla/mfbt/Alignment.h
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@@ -9,11 +9,20 @@
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#ifndef mozilla_Alignment_h
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#define mozilla_Alignment_h
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+#include "mozilla/Attributes.h"
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+
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#include <stddef.h>
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#include <stdint.h>
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namespace mozilla {
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+#if defined(MOZ_HAVE_CXX11_ALIGNAS)
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+#define MOZ_ALIGNOF(T) alignof(T)
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+#elif defined(__GNUC__)
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+#define MOZ_ALIGNOF(T) __alignof__(T)
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+#elif defined(_MSC_VER)
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+#define MOZ_ALIGNOF(T) __alignof(T)
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+#else
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/*
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* This class, and the corresponding macro MOZ_ALIGNOF, figures out how many
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* bytes of alignment a given type needs.
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@@ -32,6 +41,7 @@ class AlignmentFinder
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};
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#define MOZ_ALIGNOF(T) mozilla::AlignmentFinder<T>::alignment
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+#endif
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/*
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* Declare the MOZ_ALIGNED_DECL macro for declaring aligned types.
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@@ -43,7 +53,10 @@ class AlignmentFinder
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* will declare a two-character array |arr| aligned to 8 bytes.
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*/
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-#if defined(__GNUC__)
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+#if defined(MOZ_HAVE_CXX11_ALIGNAS)
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+# define MOZ_ALIGNED_DECL(_type, _align) \
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+ alignas(_align) _type
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+#elif defined(__GNUC__)
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# define MOZ_ALIGNED_DECL(_type, _align) \
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_type __attribute__((aligned(_align)))
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#elif defined(_MSC_VER)
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