1 files changed, 7 insertions, 0 deletions
diff --git a/test/mkmf/base.rb b/test/mkmf/base.rb
index 4ceb35087a..f82952d0c5 100644
--- a/test/mkmf/base.rb
+++ b/test/mkmf/base.rb
@@ -13,6 +13,13 @@ class TestMkmf < Test::Unit::TestCase
   class << MKMFLOG
     alias to_s call
   end
+  def mkmflog(msg)
+    log = proc {MKMFLOG[] << msg}
+    class << log
+      alias to_s call
+    end
+    log
+  end
 
   def setup
     @tmpdir = Dir.mktmpdir