From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 28 May 2002 04:13:07 +0000 (+0000)
Subject: (AC_TYPE_MBSTATE_T): New macro.
X-Git-Tag: AUTOCONF-2.53b~65
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d17870f3d91ca0551735df5bfc289cc4af540ae;p=thirdparty%2Fautoconf.git

(AC_TYPE_MBSTATE_T): New macro.
---

diff --git a/lib/autoconf/types.m4 b/lib/autoconf/types.m4
index e3b6a5328..0d4ac6926 100644
--- a/lib/autoconf/types.m4
+++ b/lib/autoconf/types.m4
@@ -289,6 +289,26 @@ AU_DEFUN([AM_TYPE_PTRDIFF_T],
 [AC_CHECK_TYPES(ptrdiff_t)])
 
 
+# AC_TYPE_MBSTATE_T
+# -----------------
+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])])
+   if test $ac_cv_type_mbstate_t = yes; then
+     AC_DEFINE([HAVE_MBSTATE_T], 1,
+	       [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.])
+   fi])
+
+
 # AC_TYPE_UID_T
 # -------------
 # FIXME: Rewrite using AC_CHECK_TYPE.