From 0d79832e450c49e51f5fd7149f5f72930ef1f966 Mon Sep 17 00:00:00 2001
From: Raimo Niskanen <raimo@erlang.org>
Date: Thu, 2 Dec 2010 16:49:19 +0100
Subject: Stop using uncertain flags for getaddrinfo()

The AI_V4MAPPED flag is falling out of grace in modern
IPv6 stacks, for security reasons, e.g. FreeBSD do not
document it any longer. The AI_ADDRCONFIG flag have
got unclear semantics on the same OS.
---
 erts/configure.in | 4 ----
 1 file changed, 4 deletions(-)

(limited to 'erts/configure.in')

diff --git a/erts/configure.in b/erts/configure.in
index 544ff9790a..f99a86a899 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -1734,11 +1734,7 @@ if test $have_getaddrinfo = yes; then
 [
     struct addrinfo hints, *ai;
     memset(&hints, 0, sizeof(hints));
-#ifndef __WIN32__
-    hints.ai_flags = (AI_CANONNAME|AI_V4MAPPED|AI_ADDRCONFIG);
-#else
     hints.ai_flags = AI_CANONNAME;
-#endif
     hints.ai_socktype = SOCK_STREAM;
     hints.ai_family = AF_INET6;
     if (getaddrinfo("::", NULL, &hints, &ai) == 0) {
-- 
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