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Annotation of embedaddon/libiconv/srcm4/mbstate_t.m4, revision 1.1

1.1     ! misho       1: # mbstate_t.m4 serial 12
        !             2: dnl Copyright (C) 2000-2002, 2008, 2009 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: # From Paul Eggert.
        !             8: 
        !             9: # BeOS 5 has <wchar.h> but does not define mbstate_t,
        !            10: # so you can't declare an object of that type.
        !            11: # Check for this incompatibility with Standard C.
        !            12: 
        !            13: # AC_TYPE_MBSTATE_T
        !            14: # -----------------
        !            15: AC_DEFUN([AC_TYPE_MBSTATE_T],
        !            16: [
        !            17:    AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) dnl for HP-UX 11.11
        !            18: 
        !            19:    AC_CACHE_CHECK([for mbstate_t], [ac_cv_type_mbstate_t],
        !            20:      [AC_COMPILE_IFELSE(
        !            21:        [AC_LANG_PROGRAM(
        !            22:           [AC_INCLUDES_DEFAULT[
        !            23: #          include <wchar.h>]],
        !            24:           [[mbstate_t x; return sizeof x;]])],
        !            25:        [ac_cv_type_mbstate_t=yes],
        !            26:        [ac_cv_type_mbstate_t=no])])
        !            27:    if test $ac_cv_type_mbstate_t = yes; then
        !            28:      AC_DEFINE([HAVE_MBSTATE_T], [1],
        !            29:               [Define to 1 if <wchar.h> declares mbstate_t.])
        !            30:    else
        !            31:      AC_DEFINE([mbstate_t], [int],
        !            32:               [Define to a type if <wchar.h> does not define.])
        !            33:    fi
        !            34: ])