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From 5b2bfe99c7ef70ea75731c88b43d9036be11d236 Mon Sep 17 00:00:00 2001
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From: Colin Walters <walters@verbum.org>
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Date: Tue, 18 Mar 2014 11:46:05 -0400
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Subject: [PATCH] Move JS_BYTES_PER_WORD out of config.h
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Instead define it in terms of the already extant GNU C extension
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__SIZEOF_POINTER__. This avoids multiarch conflicts when 32 and 64
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bit packages of js are co-installed.
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---
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js/src/configure.in | 9 ---------
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js/src/js-config.h.in | 1 -
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js/src/jstypes.h | 12 ++++++++++++
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3 files changed, 12 insertions(+), 10 deletions(-)
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diff --git a/js/src/configure.in b/js/src/configure.in
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index 19fd704..0673aca 100644
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--- a/js/src/configure.in
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+++ b/js/src/configure.in
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@@ -2349,15 +2349,6 @@ else
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AC_MSG_RESULT(no)
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fi
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-MOZ_SIZE_OF_TYPE(JS_BYTES_PER_WORD, void*, 4 8)
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-if test "$moz_cv_size_of_JS_BYTES_PER_WORD" -eq "4"; then
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- AC_DEFINE(JS_BITS_PER_WORD_LOG2, 5)
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-elif test "$moz_cv_size_of_JS_BYTES_PER_WORD" -eq "8"; then
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- AC_DEFINE(JS_BITS_PER_WORD_LOG2, 6)
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-else
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- AC_MSG_ERROR([Unexpected JS_BYTES_PER_WORD])
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-fi
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-
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MOZ_ALIGN_OF_TYPE(JS_ALIGN_OF_POINTER, void*, 2 4 8 16)
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MOZ_SIZE_OF_TYPE(JS_BYTES_PER_DOUBLE, double, 6 8 10 12 14)
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diff --git a/js/src/js-config.h.in b/js/src/js-config.h.in
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index 6889e00..4775420 100644
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--- a/js/src/js-config.h.in
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+++ b/js/src/js-config.h.in
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@@ -56,7 +56,6 @@
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#undef JS_INT32_TYPE
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#undef JS_INT64_TYPE
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#undef JS_INTPTR_TYPE
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-#undef JS_BYTES_PER_WORD
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/* Some mozilla code uses JS-friend APIs that depend on JS_METHODJIT being
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correct. */
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diff --git a/js/src/jstypes.h b/js/src/jstypes.h
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index d0cf183..3e7928f 100644
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--- a/js/src/jstypes.h
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+++ b/js/src/jstypes.h
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@@ -24,6 +24,18 @@
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#include "mozilla/Util.h"
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#include "js-config.h"
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+#ifndef JS_BYTES_PER_WORD
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+#define JS_BYTES_PER_WORD __SIZEOF_POINTER__
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+#endif
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+#ifndef JS_BITS_PER_WORD_LOG2
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+#if JS_BYTES_PER_WORD == 8
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+#define JS_BITS_PER_WORD_LOG2 6
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+#elif JS_BYTES_PER_WORD == 4
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+#define JS_BITS_PER_WORD_LOG2 5
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+#else
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+#error Unhandled JS_BYTES_PER_WORD
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+#endif
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+#endif
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/***********************************************************************
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** MACROS: JS_EXTERN_API
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--
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1.8.3.1
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