From 01fd6940562a8e88d0455de650a9367951251282 Mon Sep 17 00:00:00 2001
From: Pierre Pronchery <khorben@defora.org>
Date: Thu, 14 Jun 2018 19:18:06 -0400
Subject: [PATCH] Also check for <netinet/ip6.h> and <netinet/icmp6.h>

This will allow porting the raw ICMP code to IPv6.
---
 configure.ac | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 873f8b3a..fa877d35 100644
--- a/configure.ac
+++ b/configure.ac
@@ -356,7 +356,15 @@ AC_HEADER_STDC
 AC_HEADER_TIME
 AC_HEADER_RESOLV
 
-AC_CHECK_HEADERS([arpa/inet.h ctype.h endian.h errno.h locale.h netdb.h net/ethernet.h netinet/in.h stdint.h stdlib.h string.h strings.h sys/byteorder.h sys/endian.h sys/ethernet.h sys/socket.h sys/stat.h sys/time.h sys/wait.h termios.h time.h unistd.h])
+AC_CHECK_HEADERS([arpa/inet.h ctype.h endian.h errno.h locale.h netdb.h net/ethernet.h netinet/in.h stdint.h stdlib.h string.h strings.h sys/byteorder.h sys/endian.h sys/ethernet.h sys/socket.h sys/stat.h sys/time.h sys/types.h sys/wait.h termios.h time.h unistd.h])
+AC_CHECK_HEADERS([netinet/ip6.h netinet/icmp6.h], [], [],
+[#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+])
 
 # Type checks.
 #