| # mbsinit.m4 serial 8 |
| dnl Copyright (C) 2008, 2010-2016 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], [ |
| : |
| ]) |