51 lines
1.5 KiB
Diff
51 lines
1.5 KiB
Diff
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From e436e40b57125472ba732a5d39407ff52f008f52 Mon Sep 17 00:00:00 2001
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From: "Yann E. MORIN" <yann.morin.1998@free.fr>
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Date: Thu, 25 Dec 2014 18:52:00 +0100
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Subject: [PATCH] configure: add check for bswap_64
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include/f2fs_fs.h checks the HAVE_BSWAP_64 conidtional, but configure
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nevers checks for it.
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Add a check that the function is indeed declared, and fix the variable
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name to match the naming scheme of autoconf (and not those of WAF like
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is used by samba), and adapt the check as suggested in the autoconf
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manual.
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Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
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Cc: Gustavo Zacarias <gustavo@zacarias.com.ar>
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---
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configure.ac | 3 +++
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include/f2fs_fs.h | 2 +-
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2 files changed, 4 insertions(+), 1 deletion(-)
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diff --git a/configure.ac b/configure.ac
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index 7cfd9b4..ae451b8 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -72,6 +72,9 @@ AC_CHECK_FUNCS_ONCE([
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memset
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])
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+AS_IF([test "$ac_cv_header_byteswap_h" = "yes"],
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+ [AC_CHECK_DECLS([bswap_64],,,[#include <byteswap.h>])])
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+
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# Install directories
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AC_PREFIX_DEFAULT([/usr])
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AC_SUBST([sbindir], [/sbin])
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diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
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index 0c3ba04..4dc2426 100644
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--- a/include/f2fs_fs.h
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+++ b/include/f2fs_fs.h
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@@ -63,7 +63,7 @@ static inline uint32_t bswap_32(uint32_t val)
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}
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#endif /* !HAVE_BYTESWAP_H */
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-#if !HAVE_BSWAP_64
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+#if defined HAVE_DECL_BSWAP_64 && !HAVE_DECL_BSWAP_64
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/**
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* bswap_64 - reverse bytes in a uint64_t value.
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* @val: value whose bytes to swap.
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--
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1.9.1
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