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32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
# mbrtowc.m4 serial 8
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dnl Copyright (C) 2001-2002, 2004-2005 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Paul Eggert
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dnl This file can be removed, and gl_FUNC_MBRTOWC replaced with
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dnl AC_FUNC_MBRTOWC, when autoconf 2.60 can be assumed everywhere.
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AC_DEFUN([gl_FUNC_MBRTOWC],
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[
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dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60.
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AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
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gl_cv_func_mbrtowc,
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[AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <wchar.h>]],
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[[wchar_t wc;
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char const s[] = "";
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size_t n = 1;
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mbstate_t state;
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return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])],
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gl_cv_func_mbrtowc=yes,
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gl_cv_func_mbrtowc=no)])
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if test $gl_cv_func_mbrtowc = yes; then
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AC_DEFINE([HAVE_MBRTOWC], 1,
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[Define to 1 if mbrtowc and mbstate_t are properly declared.])
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fi
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])
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