From 2ec4b694cb8f8f2aa30009f9eac114a81bef8dc5 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 15 Jan 2011 01:00:09 +0000
Subject: * tool/compile_prelude.rb (Prelude#initialize): ignore empty  
 preludes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30548 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/compile_prelude.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'tool/compile_prelude.rb')

diff --git a/tool/compile_prelude.rb b/tool/compile_prelude.rb
index 0ed5558ba3..8ddf44edf1 100755
--- a/tool/compile_prelude.rb
+++ b/tool/compile_prelude.rb
@@ -36,6 +36,7 @@ class Prelude
     @need_ruby_prefix = false
     @preludes = {}
     @mains = preludes.map {|filename| translate(filename)[0]}
+    @preludes.delete_if {|_, (_, _, lines, sub)| !sub && lines.empty?}
   end
 
   def translate(filename, sub = false)
-- 
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