diff --git a/ChangeLog b/ChangeLog
index 2611fe8e7b..16346abba1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jun 12 14:44:38 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (find_header): use header names in the message.
+
 Sun Jun 10 13:47:36 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* test/ruby/test_beginendblock.rb (test_should_propagate_signaled):
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 21fc2fce1f..c808f10e32 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -700,8 +700,9 @@ end
 # of included directories that are sent to the compiler (via the -I switch).
 #
 def find_header(header, *paths)
+  message = checking_message(header, paths)
   header = cpp_include(header)
-  checking_for header do
+  checking_for message do
     if try_cpp(header)
       true
     else