From 2259e593a1e83995f1a35a6eb4625d91f869402b Mon Sep 17 00:00:00 2001
From: Yang Tse <yangsita@gmail.com>
Date: Sun, 18 Dec 2005 06:07:11 +0000
Subject: [PATCH] MingW guards getnameinfo, getaddrinfo and freeaddrinfo with
 _WIN32_WINNT >= 0x0501

---
 acinclude.m4 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/acinclude.m4 b/acinclude.m4
index 713a5b5a..3b057204 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -211,6 +211,10 @@ AC_DEFUN([CURL_FUNC_GETNAMEINFO_ARGTYPES], [
 #undef inline
 #ifdef HAVE_WINDOWS_H
 #define WIN32_LEAN_AND_MEAN
+#if defined(__MINGW32__) && (_WIN32_WINNT < 0x0501)
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0x0501
+#endif
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>