* ext/ripper/extconf.rb: Use an exception instead of bare

Logging.message.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35687 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri May 18 15:38:11 2012  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* ext/ripper/extconf.rb: Use an exception instead of bare
+	  Logging.message.
+
 Fri May 18 15:23:06 2012  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* ext/openssl/extconf.rb: Clarify a message when hit Apple

ext/ripper/extconf.rb

@@ -6,8 +6,7 @@ require 'rbconfig'
 def main
   unless find_executable('bison')
     unless File.exist?('ripper.c') or File.exist?("#{$srcdir}/ripper.c")
-      Logging.message 'missing bison; abort'
-      return
+      raise 'missing bison; abort'
     end
   end
   $objs = %w(ripper.o)