From 61ac74c684714c445654a1252cdf7f55315ed208 Mon Sep 17 00:00:00 2001
From: Yang Tse <yangsita@gmail.com>
Date: Sun, 26 Apr 2009 18:51:03 +0000
Subject: [PATCH] Initial step towards a configure time curl_socklen_t
 definition

---
 m4/cares-functions.m4 | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/m4/cares-functions.m4 b/m4/cares-functions.m4
index b625e03..13a83ba 100644
--- a/m4/cares-functions.m4
+++ b/m4/cares-functions.m4
@@ -1,7 +1,7 @@
 #***************************************************************************
 # $Id$
 #
-# Copyright (C) 2008 by Daniel Stenberg et al
+# Copyright (C) 2008 - 2009 by Daniel Stenberg et al
 #
 # Permission to use, copy, modify, and distribute this software and its
 # documentation for any purpose and without fee is hereby granted, provided
@@ -16,7 +16,7 @@
 #***************************************************************************
 
 # File version for 'aclocal' use. Keep it a single number.
-# serial 26
+# serial 28
 
 
 dnl CARES_INCLUDES_ARPA_INET
@@ -284,6 +284,23 @@ cares_includes_ws2tcpip="\
 ])
 
 
+dnl CARES_PREPROCESS_CALLCONV
+dnl -------------------------------------------------
+dnl Set up variable with a preprocessor block which
+dnl defines function calling convention.
+
+AC_DEFUN([CARES_PREPROCESS_CALLCONV], [
+cares_preprocess_callconv="\
+/* preprocess start */
+#ifdef HAVE_WINDOWS_H
+#  define FUNCALLCONV __stdcall
+#else
+#  define FUNCALLCONV
+#endif
+/* preprocess end */"
+])
+
+
 dnl CARES_CHECK_FUNC_FCNTL
 dnl -------------------------------------------------
 dnl Verify if fcntl is available, prototyped, and