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| 1 | # mbrtowc.m4 serial 5
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| 2 | dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
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| 3 | dnl This file is free software, distributed under the terms of the GNU
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| 4 | dnl General Public License. As a special exception to the GNU General
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| 5 | dnl Public License, this file may be distributed as part of a program
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| 6 | dnl that contains a configuration script generated by Autoconf, under
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| 7 | dnl the same distribution terms as the rest of that program.
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| 8 |
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| 9 | dnl From Paul Eggert
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| 10 |
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| 11 | dnl This file can be removed, and jm_FUNC_MBRTOWC replaced with
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| 12 | dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere.
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| 13 |
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| 14 | AC_DEFUN([jm_FUNC_MBRTOWC],
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| 15 | [
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| 16 | AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
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| 17 | jm_cv_func_mbrtowc,
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| 18 | [AC_TRY_LINK(
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| 19 | [#include <wchar.h>],
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| 20 | [mbstate_t state; return ! (sizeof state && mbrtowc);],
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| 21 | jm_cv_func_mbrtowc=yes,
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| 22 | jm_cv_func_mbrtowc=no)])
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| 23 | if test $jm_cv_func_mbrtowc = yes; then
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| 24 | AC_DEFINE(HAVE_MBRTOWC, 1,
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| 25 | [Define to 1 if mbrtowc and mbstate_t are properly declared.])
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| 26 | fi
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| 27 | ])
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