diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 5b6e4e2a71f..104762d838d 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2009-05-07  Matthias Klose  <doko@ubuntu.com>
+
+	PR libstdc++/40038
+	* src/math_stubs_long_double.cc: Add ceill.
+
 2009-05-06  Johannes Singler  <singler@ira.uka.de>
 
         PR libstdc++/39546
diff --git a/libstdc++-v3/src/math_stubs_long_double.cc b/libstdc++-v3/src/math_stubs_long_double.cc
index 1b59034eb71..9f760cfb32f 100644
--- a/libstdc++-v3/src/math_stubs_long_double.cc
+++ b/libstdc++-v3/src/math_stubs_long_double.cc
@@ -70,6 +70,14 @@ extern "C"
   }
 #endif
 
+#ifndef _GLIBCXX_HAVE_CEILL
+  long double
+  ceill(long double x)
+  {
+    return ceil((double) x);
+  }
+#endif
+
 #ifndef _GLIBCXX_HAVE_COSL
   long double
   cosl(long double x)