3 dnl Copyright (C) 2008, 2010-2024 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 AC_DEFUN([gl_FUNC_MBSINIT],
10 AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
11 AC_REQUIRE([AC_CANONICAL_HOST])
13 AC_REQUIRE([AC_TYPE_MBSTATE_T])
16 AC_CHECK_FUNCS_ONCE([mbsinit])
17 if test $ac_cv_func_mbsinit = no; then
19 AC_CHECK_DECLS([mbsinit],,, [[
22 if test $ac_cv_have_decl_mbsinit = yes; then
23 dnl On Minix 3.1.8, the system's <wchar.h> declares mbsinit() although
24 dnl it does not have the function. Avoid a collision with gnulib's
29 if test $REPLACE_MBSTATE_T = 1; then
32 dnl On mingw, mbsinit() always returns 1, which is inappropriate for
33 dnl states produced by mbrtowc() for an incomplete multibyte character
34 dnl in multibyte locales.
36 mingw* | windows*) REPLACE_MBSINIT=1 ;;
42 # Prerequisites of lib/mbsinit.c.
43 AC_DEFUN([gl_PREREQ_MBSINIT], [