From e75441e027362e19bfce82c642cf37d739eced04 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 11 Mar 2005 08:14:36 +0000
Subject: Check for winsock.h to work with win32. Only include system headers
 we know exist.

---
 ares/configure.ac | 39 ++++++++++++++++++++++++++++++++-------
 1 file changed, 32 insertions(+), 7 deletions(-)

diff --git a/ares/configure.ac b/ares/configure.ac
index f4ed76f4f..30f92b31d 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -61,13 +61,23 @@ AC_CHECK_HEADERS(
        sys/time.h \
        sys/select.h \
        sys/socket.h \
-       )
+       winsock.h \
+       netinet/in.h \
+  )
 
 dnl check for AF_INET6
 CARES_CHECK_CONSTANT(
   [
-    #include <sys/types.h>
-    #include <sys/socket.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+
   ], [PF_INET6], 
      AC_DEFINE_UNQUOTED(HAVE_PF_INET6,1,[Define to 1 if you have PF_INET6.])
 )
@@ -75,8 +85,16 @@ CARES_CHECK_CONSTANT(
 dnl check for PF_INET6
 CARES_CHECK_CONSTANT(
   [
-    #include <sys/types.h>
-    #include <sys/socket.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+
   ], [AF_INET6], 
      AC_DEFINE_UNQUOTED(HAVE_AF_INET6,1,[Define to 1 if you have AF_INET6.])
 )
@@ -85,8 +103,15 @@ CARES_CHECK_CONSTANT(
 dnl check for the in6_addr structure
 CARES_CHECK_STRUCT(
   [
-    #include <sys/types.h>
-    #include <netinet/in.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
   ], [in6_addr], 
      AC_DEFINE_UNQUOTED(HAVE_STRUCT_IN6_ADDR,1,[Define to 1 if you have struct in6_addr.])
 )
-- 
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