From d743ff30f87b95917eaa97b80585d8e2757cebbf Mon Sep 17 00:00:00 2001
From: Avery Pennarun <apenwarr@gmail.com>
Date: Thu, 2 Aug 2012 00:00:21 -0400
Subject: [PATCH] Make ping6 build under buildroot.

To do this, disable the -N option, which doesn't seem very important anyway,
but which creates dependencies on libresolv and libcrypto.  And the libresolv
dependency doesn't work with ublibc.
---
 Makefile |    2 +-
 ping6.c  |    5 +++++
 2 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/Makefile b/Makefile
index d9a5ca5..252862e 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@ all: $(TARGETS)
 tftpd: tftpd.o tftpsubs.o
 arping: arping.o -lsysfs
 ping: ping.o ping_common.o
-ping6: ping6.o ping_common.o -lresolv -lcrypto
+ping6: ping6.o ping_common.o
 ping.o ping6.o ping_common.o: ping_common.h
 tftpd.o tftpsubs.o: tftp.h
 
diff --git a/ping6.c b/ping6.c
index c5ff881..9c6e8d7 100644
--- a/ping6.c
+++ b/ping6.c
@@ -223,6 +223,7 @@ unsigned int if_name2index(const char *ifname)
 	return i;
 }
 
+#if NIQUERY_OPTIONS
 struct niquery_option {
 	char *name;
 	int namelen;
@@ -513,6 +514,8 @@ char *ni_groupaddr(const char *name)
 	return nigroup_buf;
 }
 
+#endif /* NIQUERY_OPTIONS */
+
 int main(int argc, char *argv[])
 {
 	int ch, hold, packlen;
@@ -595,12 +598,14 @@ int main(int argc, char *argv[])
 		case 'V':
 			printf("ping6 utility, iputils-ss%s\n", SNAPSHOT);
 			exit(0);
+#if NIQUERY_OPTIONS
 		case 'N':
 			if (niquery_option_handler(optarg) < 0) {
 				usage();
 				break;
 			}
 			break;
+#endif
 		COMMON_OPTIONS
 			common_options(ch);
 			break;
-- 
1.7.9.dirty