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annotate m4/inttypes-pri.m4 @ 40196:e63f5d3edab5

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relocatable-prog: Update documentation. * doc/relocatable-maint.texi (Supporting Relocation): Update to match the recent changes.
author Bruno Haible <bruno@clisp.org>
date Sun, 24 Feb 2019 01:49:15 +0100
parents b06060465f09
children
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1 # inttypes-pri.m4 serial 7 (gettext-0.18.2)
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Paul Eggert <eggert@cs.ucla.edu>
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2 dnl Copyright (C) 1997-2002, 2006, 2008-2019 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([2.53])
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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 $ac_cv_header_inttypes_h = yes; then
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18 AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
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19 [gt_cv_inttypes_pri_broken],
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20 [
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21 AC_COMPILE_IFELSE(
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22 [AC_LANG_PROGRAM(
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23 [[
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24 #include <inttypes.h>
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25 #ifdef PRId32
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26 char *p = PRId32;
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27 #endif
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28 ]],
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29 [[]])],
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30 [gt_cv_inttypes_pri_broken=no],
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31 [gt_cv_inttypes_pri_broken=yes])
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32 ])
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33 fi
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34 if test "$gt_cv_inttypes_pri_broken" = yes; then
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35 AC_DEFINE_UNQUOTED([PRI_MACROS_BROKEN], [1],
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36 [Define if <inttypes.h> exists and defines unusable PRI* macros.])
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37 PRI_MACROS_BROKEN=1
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38 else
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39 PRI_MACROS_BROKEN=0
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40 fi
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41 AC_SUBST([PRI_MACROS_BROKEN])
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42 ])