From f168f23f824a6c048fa888a6e8b71990565fedb5 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 10 Apr 2015 13:36:59 +0000
Subject: [PATCH] mkmf.rb: werror of try_cppflags

* lib/mkmf.rb (try_cppflags): set werror flag as same as cflags
  and ldflags.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50216 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mkmf.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index eb95beb2c3..014e7ed53b 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -609,8 +609,8 @@ MSG
     $CPPFLAGS = cppflags unless ret
   end
 
-  def try_cppflags(flags)
-    try_header(MAIN_DOES_NOTHING, flags)
+  def try_cppflags(flags, opts = {})
+    try_header(MAIN_DOES_NOTHING, flags, {:werror => true}.update(opts))
   end
 
   def with_cflags(flags)