diff --git a/include/boost/config/compiler/cray.hpp b/include/boost/config/compiler/cray.hpp
index c2adff69..f0d2776d 100644
--- a/include/boost/config/compiler/cray.hpp
+++ b/include/boost/config/compiler/cray.hpp
@@ -25,11 +25,12 @@
 
 
 //
-// Cray peculiarities, probably version 7 specific:
 //
+#define BOOST_NO_CXX11_STATIC_ASSERT
 #define BOOST_NO_CXX11_AUTO_DECLARATIONS
 #define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
 #define BOOST_HAS_NRVO
+#define BOOST_NO_CXX11_VARIADIC_MACROS
 #define BOOST_NO_CXX11_VARIADIC_TEMPLATES
 #define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
 #define BOOST_NO_CXX11_UNICODE_LITERALS
@@ -64,4 +65,24 @@
 #define BOOST_SP_USE_PTHREADS 
 #define BOOST_AC_USE_PTHREADS 
 
+/* everything that follows is working around what are thought to be
+ * compiler shortcomings.  Revist all of these regularly.
+ */
+
+//#define BOOST_USE_ENUM_STATIC_ASSERT
+//#define BOOST_BUGGY_INTEGRAL_CONSTANT_EXPRESSIONS //(this may be implied by the previous #define
+
+// These constants should be provided by the 
+// compiler, at least when -hgnu is asserted on the command line.
+
+#ifndef __ATOMIC_RELAXED
+#define __ATOMIC_RELAXED 0
+#define __ATOMIC_CONSUME 1
+#define __ATOMIC_ACQUIRE 2
+#define __ATOMIC_RELEASE 3
+#define __ATOMIC_ACQ_REL 4
+#define __ATOMIC_SEQ_CST 5
+#endif
+
+
 
diff --git a/include/boost/config/stdlib/libcpp.hpp b/include/boost/config/stdlib/libcpp.hpp
index 761017f2..88184ef9 100644
--- a/include/boost/config/stdlib/libcpp.hpp
+++ b/include/boost/config/stdlib/libcpp.hpp
@@ -23,6 +23,14 @@
 #    define BOOST_NO_CXX11_HDR_TUPLE
 #endif
 
+// BOOST_NO_CXX11_ALLOCATOR should imply no support for the C++11
+// allocator model. The C++11 allocator model requires a conforming
+// std::allocator_traits which is only possible with C++11 template
+// aliases since members rebind_alloc and rebind_traits require it.
+#if defined(_LIBCPP_HAS_NO_TEMPLATE_ALIASES)
+#    define BOOST_NO_CXX11_ALLOCATOR
+#endif
+
 //
 // These appear to be unusable/incomplete so far:
 //
diff --git a/include/boost/config/user.hpp b/include/boost/config/user.hpp
index 5a4a9d47..d226a2d1 100644
--- a/include/boost/config/user.hpp
+++ b/include/boost/config/user.hpp
@@ -85,8 +85,7 @@
 // (this macro is used to turn on __declspec(dllimport) modifiers, so that 
 // the compiler knows which symbols to look for in a dll rather than in a 
 // static library).  Note that there may be some libraries that can only 
-// be statically linked (Boost.Test for example) and others which may only 
-// be dynamically linked (Boost.Threads for example), in these cases this 
+// be linked in one way (statically or dynamically), in these cases this 
 // macro has no effect.
 // #define BOOST_ALL_DYN_LINK
  
@@ -97,9 +96,9 @@
 // BOOST_REGEX_DYN_LINK etc (this macro is used to turn on __declspec(dllimport) 
 // modifiers, so that the compiler knows which symbols to look for in a dll 
 // rather than in a static library).  
-// Note that there may be some libraries that can only be statically linked 
-// (Boost.Test for example) and others which may only be dynamically linked 
-// (Boost.Threads for example), in these cases this macro is unsupported.
+// Note that there may be some libraries that can only 
+// be linked in one way (statically or dynamically), 
+// in these cases this macro is unsupported.
 // #define BOOST_WHATEVER_DYN_LINK
  
 // BOOST_ALL_NO_LIB: Tells the config system not to automatically select 
diff --git a/test/boost_no_cxx11_allocator.ipp b/test/boost_no_cxx11_allocator.ipp
index 07eb35e0..84ec78ee 100644
--- a/test/boost_no_cxx11_allocator.ipp
+++ b/test/boost_no_cxx11_allocator.ipp
@@ -31,11 +31,13 @@ int test()
    std::allocator<int> ia;
    std::allocator_traits<std::allocator<int> >::rebind_alloc<void*> ra(ia);
    std::allocator<void*>* pva = &ra;
+   std::allocator_traits<std::allocator<int> >::rebind_traits<void*>::pointer pt;
 
    (void)aat;
    (void)ua;
    (void)at;
    (void)pva;
+   (void)pt;
    return 0;
 }