From 35dd972a1db8760a9fdfb7d6c08b4bcd6189277d Mon Sep 17 00:00:00 2001
From: Raimo Niskanen <raimo@erlang.org>
Date: Tue, 9 Oct 2012 17:02:22 +0200
Subject: erts: Add configure test for IPV6_V6ONLY

---
 erts/configure.in | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'erts')

diff --git a/erts/configure.in b/erts/configure.in
index 8d70a1b74a..43f6cf39c9 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -2000,8 +2000,12 @@ case "$erts_cv_have_in6addr_loopback" in
              [Define to 1 if you have the variable in6addr_loopback declared.])
 esac
 
-AC_CHECK_DECLS([IN6ADDR_ANY_INIT, IN6ADDR_LOOPBACK_INIT], [], [],
-	       [#include <netinet/in.h>])
+AC_CHECK_DECLS([IN6ADDR_ANY_INIT, IN6ADDR_LOOPBACK_INIT, IPV6_V6ONLY], [], [],
+	       [
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <netinet/in.h>
+	       ])
 
 dnl ----------------------------------------------------------------------
 dnl Checks for features/quirks in the system that affects Erlang.
-- 
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