From: Jon <jon.forums@...>
Date: 2013-06-06T02:23:30+09:00
Subject: [ruby-core:55325] naruse: r41094 mingw-w64 feedback

Similar to my comments on NET_LUID in

  http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/54978

if you want to target mingw-w64, checking for __MINGW64_VERSION_MAJOR is better than __MINGW64__

http://sourceforge.net/apps/trac/mingw-w64/wiki/Answer%20Check%20For%20Mingw-w64

Jon