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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_wint_t.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_WINT_T
#
# DESCRIPTION
#
# It turns out that MacOS X doesn't guarantee to provide the "wint_t" type
# unless you include the strange header <runetype.h> in addition to
# <wchar.h>. Consequently, the "do I have a system wint_t?" probe fails
# and an alternate gets used. Unfortunately, by the time the program gets
# built, one way or another that funny header winds up getting included
# and the "#define wint_t unsigned int" patch-up-hack mutilates the
# typedef. This macro will get it right.
#
# LICENSE
#
# Copyright (c) 2008 Bruce Korb <bkorb@gnu.org>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 8
AC_DEFUN([AX_WINT_T],[
AC_CHECK_HEADERS([runetype.h wchar.h])
AC_CHECK_TYPE(wint_t, [], [
AC_DEFINE_UNQUOTED([wint_t], [unsigned int],
[Define to `unsigned int' if not found])], [
AC_INCLUDES_DEFAULT
#if HAVE_RUNETYPE_H
# include <runetype.h>
#endif
#if HAVE_WCHAR_H
# include <wchar.h>
#endif
])])
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