---------------------
PatchSet 5508 
Date: 2007/08/27 14:15:30
Author: amosjeffries
Branch: squid3-ipv6
Tag: (none) 
Log:
Add configure-time tests for _res._u._ext resolver fields.
Also add test for raw __res_init function (res_init may only be a macro.)

Members: 
	configure.in:1.63.2.47->1.63.2.48 

Index: squid3/configure.in
===================================================================
RCS file: /cvsroot/squid-sf//squid3/configure.in,v
retrieving revision 1.63.2.47
retrieving revision 1.63.2.48
diff -u -r1.63.2.47 -r1.63.2.48
--- squid3/configure.in	27 Aug 2007 02:40:56 -0000	1.63.2.47
+++ squid3/configure.in	27 Aug 2007 14:15:30 -0000	1.63.2.48
@@ -1,7 +1,7 @@
 
 dnl  Configuration input file for Squid
 dnl
-dnl  $Id: configure.in,v 1.63.2.47 2007/08/27 02:40:56 amosjeffries Exp $
+dnl  $Id: configure.in,v 1.63.2.48 2007/08/27 14:15:30 amosjeffries Exp $
 dnl
 dnl
 dnl
@@ -11,7 +11,7 @@
 AC_CONFIG_AUX_DIR(cfgaux)
 AC_CONFIG_SRCDIR([src/main.cc])
 AM_INIT_AUTOMAKE([tar-ustar])
-AC_REVISION($Revision: 1.63.2.47 $)dnl
+AC_REVISION($Revision: 1.63.2.48 $)dnl
 AC_PREFIX_DEFAULT(/usr/local/squid)
 AM_MAINTAINER_MODE
 
@@ -2597,6 +2597,7 @@
 	regexec \
 	regfree \
 	res_init \
+	__res_init \
 	rint \
 	sbrk \
 	select \
@@ -3266,6 +3267,33 @@
 fi
 fi
 
+dnl Detect what resolver fields we need to use...
+AC_CACHE_CHECK(for _res._u._ext.nsaddrs, ac_cv_have_res_ext_nsaddrs,
+AC_TRY_COMPILE([
+#if HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#if HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#if HAVE_ARPA_NAMESER_H
+#include <arpa/nameser.h>
+#endif
+#if HAVE_RESOLV_H
+#include <resolv.h>
+#endif
+],
+[_res._u._ext.nsaddrs[[0]]->sin6_addr;],
+ac_cv_have_res_ext_nsaddrs="yes",
+ac_cv_have_res_ext_nsaddrs="no"))
+if test "$ac_cv_have_res_ext_nsaddrs" = "yes" ; then
+  AC_DEFINE(_SQUID_RES_NSADDR6_LIST,_res._u._ext.nsaddrs,[If _res structure has _ext.nsaddrs member])
+  AC_DEFINE(_SQUID_RES_NSADDR6_COUNT,_res._u._ext.nscount6,[Nameserver Counter for IPv6 _res])
+fi
+
 AC_CACHE_CHECK(for _res.nsaddr_list, ac_cv_have_res_nsaddr_list,
 AC_TRY_COMPILE([
 #if HAVE_SYS_TYPES_H