1# mbsinit.m4 serial 9 2dnl Copyright (C) 2008, 2010-2021 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_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 #include <wchar.h> 20 ]]) 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. 42AC_DEFUN([gl_PREREQ_MBSINIT], [ 43 : 44]) 45