2 dnl Copyright (C) 2008, 2010-2011 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_MBSINIT],
9 AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
10 AC_REQUIRE([AC_CANONICAL_HOST])
12 AC_REQUIRE([AC_TYPE_MBSTATE_T])
15 AC_CHECK_FUNCS_ONCE([mbsinit])
16 if test $ac_cv_func_mbsinit = no; then
18 AC_CHECK_DECLS([mbsinit],,, [[
19 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
21 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
22 included before <wchar.h>. */
28 if test $ac_cv_have_decl_mbsinit = yes; then
29 dnl On Minix 3.1.8, the system's <wchar.h> declares mbsinit() although
30 dnl it does not have the function. Avoid a collision with gnulib's
35 if test $REPLACE_MBSTATE_T = 1; then
38 dnl On mingw, mbsinit() always returns 1, which is inappropriate for
39 dnl states produced by mbrtowc() for an incomplete multibyte character
40 dnl in multibyte locales.
42 mingw*) REPLACE_MBSINIT=1 ;;
48 # Prerequisites of lib/mbsinit.c.
49 AC_DEFUN([gl_PREREQ_MBSINIT], [