From d341276561accd598d91bfdb736378c72ec41ab3 Mon Sep 17 00:00:00 2001
From: drbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 12 Jun 2013 20:32:42 +0000
Subject: * ext/socket/extconf.rb:  Enable RFC 3542 IPV6 socket options for OS
 X   10.7+.  [ruby-trunk - Bug #8517]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/socket/extconf.rb | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'ext/socket')

diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb
index 458871fbd9..f3be5862f0 100644
--- a/ext/socket/extconf.rb
+++ b/ext/socket/extconf.rb
@@ -294,6 +294,11 @@ end
 
 $INCFLAGS << " -I$(topdir) -I$(top_srcdir)"
 
+if /darwin/ =~ RUBY_PLATFORM
+  # For IPv6 extension header access on OS X 10.7+ [Bug #8517]
+  $CFLAGS << " -D__APPLE_USE_RFC_3542"
+end
+
 headers = []
 unless $mswin or $mingw
   headers = %w<sys/types.h netdb.h string.h sys/socket.h netinet/in.h>
-- 
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