| 1 | # mbsinit.m4 serial 8 |
| 2 | dnl Copyright (C) 2008, 2010-2014 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. |
| 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],,, [[ |
| 19 | /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before |
| 20 | <wchar.h>. |
| 21 | BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be |
| 22 | included before <wchar.h>. */ |
| 23 | #include <stddef.h> |
| 24 | #include <stdio.h> |
| 25 | #include <time.h> |
| 26 | #include <wchar.h> |
| 27 | ]]) |
| 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 |
| 31 | dnl replacement. |
| 32 | REPLACE_MBSINIT=1 |
| 33 | fi |
| 34 | else |
| 35 | if test $REPLACE_MBSTATE_T = 1; then |
| 36 | REPLACE_MBSINIT=1 |
| 37 | else |
| 38 | dnl On mingw, mbsinit() always returns 1, which is inappropriate for |
| 39 | dnl states produced by mbrtowc() for an incomplete multibyte character |
| 40 | dnl in multibyte locales. |
| 41 | case "$host_os" in |
| 42 | mingw*) REPLACE_MBSINIT=1 ;; |
| 43 | esac |
| 44 | fi |
| 45 | fi |
| 46 | ]) |
| 47 | |
| 48 | # Prerequisites of lib/mbsinit.c. |
| 49 | AC_DEFUN([gl_PREREQ_MBSINIT], [ |
| 50 | : |
| 51 | ]) |