From 03d19637f61873cb86caf7311d2b3bf2757c9a8d Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 17 Jan 2013 08:50:12 +0000
Subject: win32ole: warning flag

* ext/win32ole/extconf.rb (create_win32ole_makefile): replace or
  append warning flag.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38861 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/win32ole/extconf.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'ext')

diff --git a/ext/win32ole/extconf.rb b/ext/win32ole/extconf.rb
index c3717316d4..1a17524d0a 100644
--- a/ext/win32ole/extconf.rb
+++ b/ext/win32ole/extconf.rb
@@ -30,6 +30,7 @@ end
 
 case RUBY_PLATFORM
 when /mswin/
-  $CFLAGS += ' /W3'
+  $CFLAGS.sub!(/((?:\A|\s)[-\/])W\d(?=\z|\s)/, '\1W3') or
+    $CFLAGS += ' -W3'
 end
 create_win32ole_makefile
-- 
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