diff --git a/ChangeLog b/ChangeLog
index 606079cdc5..04a49d545e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Thu Jan 20 12:15:44 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* configure.in: Add stdlib.h inclusion into rb_cv_negative_time_t
+	  test becuase it's required for exit(3). The patch is
+	  created by Tomoyuki Chikanaga. [Bug #4287] [ruby-dev:43060]
+
 Thu Jan 20 11:39:41 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* test/webrick/utils.rb (TestWEBrick::RubyBin): test CGI does not need
diff --git a/configure.in b/configure.in
index 5e14df6aa5..3a60ddf9a8 100644
--- a/configure.in
+++ b/configure.in
@@ -1444,6 +1444,7 @@ fi
 
 AC_CACHE_CHECK(for negative time_t for gmtime(3), rb_cv_negative_time_t,
   [AC_TRY_RUN([
+#include <stdlib.h>
 #include <time.h>
 
 void