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annotate m4/inttypes-pri.m4 @ 11386:23f58a4ffca0

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Followup to 2008-12-22: Remove unnecessary AC_FUNC_MBRTOWC invocations.
author Bruno Haible <bruno@clisp.org>
date Tue, 10 Mar 2009 01:19:40 +0100
parents f6cba5a556ce
children c2cbabec01dd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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f6cba5a556ce many *.m4 files: improve m4 quoting
Jim Meyering <meyering@redhat.com>
parents: 10979
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1 # inttypes-pri.m4 serial 6 (gettext-0.18)
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2 dnl Copyright (C) 1997-2002, 2006, 2008, 2009 Free Software Foundation, Inc.
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3 dnl This file is free software; the Free Software Foundation
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4 dnl gives unlimited permission to copy and/or distribute it,
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5 dnl with or without modifications, as long as this notice is preserved.
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7c1a6b73f48e An autoconf macro for its associated module.
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6
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7 dnl From Bruno Haible.
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8
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9 AC_PREREQ([2.52])
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10
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11 # Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
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12 # macros to non-string values. This is the case on AIX 4.3.3.
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13
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14 AC_DEFUN([gt_INTTYPES_PRI],
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15 [
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16 AC_CHECK_HEADERS([inttypes.h])
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17 if test $ac_cv_header_inttypes_h = yes; then
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18 AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
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19 [gt_cv_inttypes_pri_broken],
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20 [
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21 AC_TRY_COMPILE([#include <inttypes.h>
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22 #ifdef PRId32
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23 char *p = PRId32;
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24 #endif
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25 ], [], [gt_cv_inttypes_pri_broken=no], [gt_cv_inttypes_pri_broken=yes])
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26 ])
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27 fi
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28 if test "$gt_cv_inttypes_pri_broken" = yes; then
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29 AC_DEFINE_UNQUOTED([PRI_MACROS_BROKEN], [1],
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30 [Define if <inttypes.h> exists and defines unusable PRI* macros.])
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31 PRI_MACROS_BROKEN=1
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32 else
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33 PRI_MACROS_BROKEN=0
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34 fi
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35 AC_SUBST([PRI_MACROS_BROKEN])
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36 ])