X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fmbstate_t.m4;h=ed001179889abf292a9eb139b066c9ccf087f7d4;hb=a77413333408e54b8d6c4e19918098794cef4b4b;hp=d4ec6f0fc7107449a362452387e0ed1963799ee4;hpb=42d1eda5dcce2d68deab7a642e7f29bcd7144a0d;p=gnulib.git

diff --git a/m4/mbstate_t.m4 b/m4/mbstate_t.m4
index d4ec6f0fc..ed0011798 100644
--- a/m4/mbstate_t.m4
+++ b/m4/mbstate_t.m4
@@ -1,5 +1,5 @@
-# mbstate_t.m4 serial 12
-dnl Copyright (C) 2000-2002, 2008, 2009 Free Software Foundation, Inc.
+# mbstate_t.m4 serial 13
+dnl Copyright (C) 2000-2002, 2008-2013 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.
@@ -18,17 +18,24 @@ AC_DEFUN([AC_TYPE_MBSTATE_T],
 
    AC_CACHE_CHECK([for mbstate_t], [ac_cv_type_mbstate_t],
      [AC_COMPILE_IFELSE(
-	[AC_LANG_PROGRAM(
-	   [AC_INCLUDES_DEFAULT[
-#	    include <wchar.h>]],
-	   [[mbstate_t x; return sizeof x;]])],
-	[ac_cv_type_mbstate_t=yes],
-	[ac_cv_type_mbstate_t=no])])
+        [AC_LANG_PROGRAM(
+           [AC_INCLUDES_DEFAULT[
+/* 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>]],
+           [[mbstate_t x; return sizeof x;]])],
+        [ac_cv_type_mbstate_t=yes],
+        [ac_cv_type_mbstate_t=no])])
    if test $ac_cv_type_mbstate_t = yes; then
      AC_DEFINE([HAVE_MBSTATE_T], [1],
-	       [Define to 1 if <wchar.h> declares mbstate_t.])
+               [Define to 1 if <wchar.h> declares mbstate_t.])
    else
      AC_DEFINE([mbstate_t], [int],
-	       [Define to a type if <wchar.h> does not define.])
+               [Define to a type if <wchar.h> does not define.])
    fi
 ])