buildroot/package/quagga/quagga-fix-no-ipv6.patch

From 3bde17f1af635c9ca19df0b3516cb8ad0376e6d3 Mon Sep 17 00:00:00 2001
From: Paul Jakma <paul@quagga.net>
Date: Wed, 23 Mar 2011 10:30:30 +0000
Subject: [PATCH 1/1] bgpd: Fix compile failure if IPv6 build was disabled.

* bgp_route.c: ({no_,}ipv6_bgp_network_ttl_cmd) depends on ipv6_bgp_network
  which is HAVE_IPV6, so these should be too.
  (bgp_route_init) and the installs should be similarly ifdefed
---
 bgpd/bgp_route.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c
index 8c05ba6..5c516f0 100644
--- a/bgpd/bgp_route.c
+++ b/bgpd/bgp_route.c
@@ -4327,6 +4327,7 @@ ALIAS_DEPRECATED (no_bgp_network_mask_natural,
        "Specify a BGP backdoor route\n"
        "AS-Path hopcount limit attribute\n"
        "AS-Pathlimit TTL, in number of AS-Path hops\n")
+#ifdef HAVE_IPV6
 ALIAS_DEPRECATED (ipv6_bgp_network,
        ipv6_bgp_network_ttl_cmd,
        "network X:X::X:X/M pathlimit <0-255>",
@@ -4342,6 +4343,7 @@ ALIAS_DEPRECATED (no_ipv6_bgp_network,
        "IPv6 prefix <network>/<length>\n"
        "AS-Path hopcount limit attribute\n"
        "AS-Pathlimit TTL, in number of AS-Path hops\n")
+#endif /* HAVE_IPV6 */
 
 /* Aggreagete address:
 
@@ -12958,9 +12960,11 @@ bgp_route_init (void)
   install_element (BGP_IPV4M_NODE, &no_bgp_network_backdoor_ttl_cmd);
   install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_backdoor_ttl_cmd);
   install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_natural_backdoor_ttl_cmd);
-  
+
+#ifdef HAVE_IPV6
   install_element (BGP_IPV6_NODE, &ipv6_bgp_network_ttl_cmd);
   install_element (BGP_IPV6_NODE, &no_ipv6_bgp_network_ttl_cmd);
+#endif
 }
 
 void
-- 
1.7.4