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9c9d63b1 PM |
1 | # mbsinit.m4 serial 9 |
2 | dnl Copyright (C) 2008, 2010-2021 Free Software Foundation, Inc. | |
8690e634 JK |
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. | |
6 | ||
7 | AC_DEFUN([gl_FUNC_MBSINIT], | |
8 | [ | |
9 | AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) | |
10 | AC_REQUIRE([AC_CANONICAL_HOST]) | |
11 | ||
12 | AC_REQUIRE([AC_TYPE_MBSTATE_T]) | |
13 | gl_MBSTATE_T_BROKEN | |
14 | ||
15 | AC_CHECK_FUNCS_ONCE([mbsinit]) | |
16 | if test $ac_cv_func_mbsinit = no; then | |
17 | HAVE_MBSINIT=0 | |
18 | AC_CHECK_DECLS([mbsinit],,, [[ | |
9c9d63b1 PM |
19 | #include <wchar.h> |
20 | ]]) | |
8690e634 JK |
21 | if test $ac_cv_have_decl_mbsinit = yes; then |
22 | dnl On Minix 3.1.8, the system's <wchar.h> declares mbsinit() although | |
23 | dnl it does not have the function. Avoid a collision with gnulib's | |
24 | dnl replacement. | |
25 | REPLACE_MBSINIT=1 | |
26 | fi | |
27 | else | |
28 | if test $REPLACE_MBSTATE_T = 1; then | |
29 | REPLACE_MBSINIT=1 | |
30 | else | |
31 | dnl On mingw, mbsinit() always returns 1, which is inappropriate for | |
32 | dnl states produced by mbrtowc() for an incomplete multibyte character | |
33 | dnl in multibyte locales. | |
34 | case "$host_os" in | |
35 | mingw*) REPLACE_MBSINIT=1 ;; | |
36 | esac | |
37 | fi | |
38 | fi | |
39 | ]) | |
40 | ||
41 | # Prerequisites of lib/mbsinit.c. | |
42 | AC_DEFUN([gl_PREREQ_MBSINIT], [ | |
43 | : | |
44 | ]) |