diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index caf3bdda1..b8a570f04 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,7 @@
+2009-08-18  Jeff Johnston  <jjohnstn@redhat.com>
+
+	* acconfig.h: Add templates for _HAVE_LONG_DOUBLE and _LDBL_EQ_DBL.
+
 2009-08-18  Eric Blake  <ebb9@byu.net>
 
 	* libc/posix/popen.c (popen): Fix documented prototype.
diff --git a/newlib/acconfig.h b/newlib/acconfig.h
index 2a138414c..53208811c 100644
--- a/newlib/acconfig.h
+++ b/newlib/acconfig.h
@@ -48,6 +48,13 @@
 
 /* Define if the compiler supports aliasing an array to an address.  */
 #undef  _HAVE_ARRAY_ALIASING
+
+/* Define if the platform supports long double type.  */
+#undef  _HAVE_LONG_DOUBLE
+
+/* Define if the platform long double type is equal to double.  */
+#undef  _LDBL_EQ_DBL
+
 @BOTTOM@
 /*
  * Iconv encodings enabled ("to" direction)