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# mbsinit.m4 serial 8
dnl Copyright (C) 2008, 2010-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_MBSINIT],
[
AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_TYPE_MBSTATE_T])
gl_MBSTATE_T_BROKEN
AC_CHECK_FUNCS_ONCE([mbsinit])
if test $ac_cv_func_mbsinit = no; then
HAVE_MBSINIT=0
AC_CHECK_DECLS([mbsinit],,, [[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
<wchar.h>.
BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
included before <wchar.h>. */
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <wchar.h>
]])
if test $ac_cv_have_decl_mbsinit = yes; then
dnl On Minix 3.1.8, the system's <wchar.h> declares mbsinit() although
dnl it does not have the function. Avoid a collision with gnulib's
dnl replacement.
REPLACE_MBSINIT=1
fi
else
if test $REPLACE_MBSTATE_T = 1; then
REPLACE_MBSINIT=1
else
dnl On mingw, mbsinit() always returns 1, which is inappropriate for
dnl states produced by mbrtowc() for an incomplete multibyte character
dnl in multibyte locales.
case "$host_os" in
mingw*) REPLACE_MBSINIT=1 ;;
esac
fi
fi
])
# Prerequisites of lib/mbsinit.c.
AC_DEFUN([gl_PREREQ_MBSINIT], [
:
])
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