Merge branch 'master' of https://github.com/akrzemi1/config into develop

include/boost/config/compiler/clang.hpp

@@ -140,6 +140,10 @@
 #  define BOOST_NO_CXX11_RAW_LITERALS
 #endif
 
+#if !__has_feature(cxx_reference_qualified_functions)
+#  define BOOST_NO_CXX11_REF_QUALIFIERS
+#endif
+
 #if !__has_feature(cxx_generalized_initializers)
 #  define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
 #endif

include/boost/config/compiler/gcc.hpp

@@ -232,6 +232,7 @@
 //
 #if (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__ < 40801) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
 #  define BOOST_NO_CXX11_DECLTYPE_N3276
+#  define BOOST_NO_CXX11_REF_QUALIFIERS
 #endif
 
 #ifndef BOOST_COMPILER

include/boost/config/compiler/intel.hpp

@@ -265,6 +265,7 @@ template<> struct assert_intrinsic_wchar_t<unsigned short> {};
 #  undef BOOST_NO_CXX11_HDR_THREAD 
 #  undef BOOST_NO_CXX11_CHAR32_T 
 #  undef BOOST_NO_CXX11_CHAR16_T
+#  undef BOOST_NO_CXX11_REF_QUALIFIERS
 #endif
 
 #if defined(BOOST_INTEL_STDCXX0X) && (BOOST_INTEL_CXX_VERSION <= 1310)

include/boost/config/compiler/visualc.hpp

@@ -173,6 +173,7 @@
 #define BOOST_NO_CXX11_CHAR32_T
 #define BOOST_NO_CXX11_CONSTEXPR
 #define BOOST_NO_CXX11_NOEXCEPT
+#define BOOST_NO_CXX11_REF_QUALIFIERS
 #define BOOST_NO_CXX11_UNICODE_LITERALS
 #define BOOST_NO_SFINAE_EXPR
 #define BOOST_NO_TWO_PHASE_NAME_LOOKUP