From 83329f5dd64736deb41bc0d712f8193d163bcc4a Mon Sep 17 00:00:00 2001
From: Johan Danielsson <joda@pdc.kth.se>
Date: Fri, 17 Aug 2001 13:05:59 +0000
Subject: [PATCH] add test for non-existant in6addr_loopback in AIX

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10501 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 cf/krb-ipv6.m4 | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/cf/krb-ipv6.m4 b/cf/krb-ipv6.m4
index 301a0f8c2..9660ac5e3 100644
--- a/cf/krb-ipv6.m4
+++ b/cf/krb-ipv6.m4
@@ -122,4 +122,29 @@ if test "$ac_cv_lib_ipv6" = yes; then
 else
   CFLAGS="${save_CFLAGS}"
 fi
-])
+
+/* test for AIX missing in6addr_loopback */
+if test "$ac_cv_lib_ipv6" = yes; then
+	AC_CACHE_CHECK([for in6addr_loopback],[ac_cv_var_in6addr_loopback],[
+	AC_TRY_LINK([
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif],[
+struct sockaddr_in6 sin6;
+sin6.sin6_addr = in6addr_loopback;
+],ac_cv_var_in6addr_loopback=yes,ac_cv_var_in6addr_loopback=no)])
+	if test "$ac_cv_var_in6addr_loopback" = yes; then
+		AC_DEFINE(HAVE_IN6ADDR_LOOPBACK, 1, 
+			[Define if you have the in6addr_loopback variable])
+	fi
+fi
+])
\ No newline at end of file