diff --git a/sprout/config/compiler/intel.hpp b/sprout/config/compiler/intel.hpp
index 0bb31ff7..cddaf280 100644
--- a/sprout/config/compiler/intel.hpp
+++ b/sprout/config/compiler/intel.hpp
@@ -1,13 +1,50 @@
 /*=============================================================================
-  Copyright (c) 2011-2014 Bolero MURAKAMI
-  https://github.com/bolero-MURAKAMI/Sprout
+ Copyright (c) 2011-2014 Bolero MURAKAMI
+ https://github.com/bolero-MURAKAMI/Sprout
 
-  Distributed under the Boost Software License, Version 1.0. (See accompanying
-  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ Distributed under the Boost Software License, Version 1.0. (See accompanying
+ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 =============================================================================*/
 #ifndef SPROUT_CONFIG_COMPILER_INTEL_HPP
 #define SPROUT_CONFIG_COMPILER_INTEL_HPP
 
 #include <sprout/config/compiler/common_edg.hpp>
 
+#if defined(__INTEL_COMPILER)
+#	define SPROUT_INTEL_CXX_VERSION __INTEL_COMPILER
+#elif defined(__ICL)
+#	define SPROUT_INTEL_CXX_VERSION __ICL
+#elif defined(__ICC)
+#	define SPROUT_INTEL_CXX_VERSION __ICC
+#elif defined(__ECC)
+#	define SPROUT_INTEL_CXX_VERSION __ECC
+#endif
+
+#if (!(defined(_WIN32) || defined(_WIN64)) && defined(__STDC_HOSTED__) && (__STDC_HOSTED__ && (SPROUT_INTEL_CXX_VERSION <= 1200))) || defined(__GXX_EXPERIMENTAL_CPP0X__) || defined(__GXX_EXPERIMENTAL_CXX0X__)
+#	define SPROUT_INTEL_STDCXX11
+#endif
+#if defined(_MSC_VER) && (_MSC_VER >= 1600)
+#	define SPROUT_INTEL_STDCXX11
+#endif
+
+#if defined(SPROUT_INTEL_STDCXX11) && (SPROUT_INTEL_CXX_VERSION >= 1200)
+#	undef SPROUT_NO_CXX11_DELETED_FUNCTIONS
+#	undef SPROUT_NO_CXX11_DEFAULTED_FUNCTIONS
+#endif
+
+#if defined(SPROUT_INTEL_STDCXX11) && (SPROUT_INTEL_CXX_VERSION > 1200)
+#	undef SPROUT_NO_CXX11_TEMPLATE_ALIASES
+#endif
+
+#if defined(SPROUT_INTEL_STDCXX11) && (SPROUT_INTEL_CXX_VERSION >= 1400) && !defined(_MSC_VER)
+#	undef SPROUT_NO_CXX11_UNICODE_LITERALS
+#	undef SPROUT_NO_CXX11_CONSTEXPR
+#endif
+
+#if defined(_MSC_VER) && (_MSC_VER <= 1700)
+#	define SPROUT_NO_CXX11_DELETED_FUNCTIONS
+#	define SPROUT_NO_CXX11_DEFAULTED_FUNCTIONS
+#	define SPROUT_NO_CXX11_TEMPLATE_ALIASES
+#endif
+
 #endif	// #ifndef SPROUT_CONFIG_COMPILER_INTEL_HPP
diff --git a/sprout/tuple/tuple/make_tuple.hpp b/sprout/tuple/tuple/make_tuple.hpp
index b64af01c..051ab99e 100644
--- a/sprout/tuple/tuple/make_tuple.hpp
+++ b/sprout/tuple/tuple/make_tuple.hpp
@@ -41,7 +41,7 @@ namespace sprout {
 		// tie
 		//
 		template<typename... Types>
-		inline sprout::tuples::tuple<Types&...>
+		inline SPROUT_CONSTEXPR sprout::tuples::tuple<Types&...>
 		tie(Types&... args) SPROUT_NOEXCEPT {
 			return sprout::tuples::tuple<Types&...>(args...);
 		}
diff --git a/sprout/type_traits/enabler_if.hpp b/sprout/type_traits/enabler_if.hpp
index f2558d13..6931dfc1 100644
--- a/sprout/type_traits/enabler_if.hpp
+++ b/sprout/type_traits/enabler_if.hpp
@@ -16,14 +16,24 @@ namespace sprout {
 	// enabler_t
 	// enabler
 	//
-	typedef void* enabler_t;
+	typedef void** enabler_t;
+#if defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)
+	namespace {
+		SPROUT_STATIC_CONSTEXPR sprout::enabler_t enabler = {};
+	}	// anonymous-namespace
+#else
 	extern enabler_t enabler;
+#endif
 	//
 	// enabler_if
 	//
 	template<bool C>
 	class enabler_if
+#if defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)
+		: public std::enable_if<C, sprout::enabler_t>
+#else
 		: public std::enable_if<C, sprout::enabler_t&>
+#endif
 	{};
 
 #if SPROUT_USE_TEMPLATE_ALIASES