| 1 | # mbsinit.m4 serial 8
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| 2 | dnl Copyright (C) 2008, 2010-2011 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | AC_DEFUN([gl_FUNC_MBSINIT],
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| 8 | [
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| 9 | AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
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| 10 | AC_REQUIRE([AC_CANONICAL_HOST])
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| 11 |
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| 12 | AC_REQUIRE([AC_TYPE_MBSTATE_T])
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| 13 | gl_MBSTATE_T_BROKEN
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| 14 |
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| 15 | AC_CHECK_FUNCS_ONCE([mbsinit])
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| 16 | if test $ac_cv_func_mbsinit = no; then
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| 17 | HAVE_MBSINIT=0
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| 18 | AC_CHECK_DECLS([mbsinit],,, [[
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| 19 | /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
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| 20 | <wchar.h>.
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| 21 | BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
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| 22 | included before <wchar.h>. */
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| 23 | #include <stddef.h>
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| 24 | #include <stdio.h>
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| 25 | #include <time.h>
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| 26 | #include <wchar.h>
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| 27 | ]])
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| 28 | if test $ac_cv_have_decl_mbsinit = yes; then
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| 29 | dnl On Minix 3.1.8, the system's <wchar.h> declares mbsinit() although
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| 30 | dnl it does not have the function. Avoid a collision with gnulib's
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| 31 | dnl replacement.
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| 32 | REPLACE_MBSINIT=1
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| 33 | fi
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| 34 | else
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| 35 | if test $REPLACE_MBSTATE_T = 1; then
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| 36 | REPLACE_MBSINIT=1
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| 37 | else
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| 38 | dnl On mingw, mbsinit() always returns 1, which is inappropriate for
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| 39 | dnl states produced by mbrtowc() for an incomplete multibyte character
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| 40 | dnl in multibyte locales.
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| 41 | case "$host_os" in
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| 42 | mingw*) REPLACE_MBSINIT=1 ;;
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| 43 | esac
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| 44 | fi
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| 45 | fi
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| 46 | ])
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| 47 |
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| 48 | # Prerequisites of lib/mbsinit.c.
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| 49 | AC_DEFUN([gl_PREREQ_MBSINIT], [
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| 50 | :
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| 51 | ])
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