diff --git a/.travis.yml b/.travis.yml
index 314afb9..dcfdd49 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,26 @@ matrix:
       compiler: g++
       env: TOOLSET=gcc CXXSTD=03,11
 
+    - os: linux
+      compiler: g++-4.4
+      env: TOOLSET=gcc-4.4 CXXSTD=98,0x
+      addons:
+        apt:
+          packages:
+            - g++-4.4
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      compiler: g++-4.6
+      env: TOOLSET=gcc-4.6 CXXSTD=03,0x
+      addons:
+        apt:
+          packages:
+            - g++-4.6
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       compiler: g++-5
       env: TOOLSET=gcc-5 CXXSTD=03,11
diff --git a/include/boost/range/adaptor/ref_unwrapped.hpp b/include/boost/range/adaptor/ref_unwrapped.hpp
index 71af483..7ac5115 100644
--- a/include/boost/range/adaptor/ref_unwrapped.hpp
+++ b/include/boost/range/adaptor/ref_unwrapped.hpp
@@ -15,7 +15,7 @@
 #include <boost/range/adaptor/transformed.hpp>
 #include <boost/range/reference.hpp>
 #include <boost/range/concepts.hpp>
-
+#include <boost/type_traits/declval.hpp>
 #include <utility>
 
 #if !defined(BOOST_NO_CXX11_DECLTYPE)
@@ -32,7 +32,7 @@ namespace boost
             typedef BOOST_DEDUCED_TYPENAME
                           range_reference<SinglePassRange>::type argument_type;
 
-            using result_type = decltype(std::declval<argument_type>().get() );
+            typedef decltype( boost::declval<argument_type>().get() ) result_type;
 
             result_type operator()( argument_type &&r ) const
             {
@@ -46,11 +46,11 @@ namespace boost
             : public transformed_range<unwrap_ref<SinglePassRange>,
                                        SinglePassRange>
         {
-            using base = transformed_range<unwrap_ref<SinglePassRange>,
-                                           SinglePassRange>;
+            typedef transformed_range<unwrap_ref<SinglePassRange>,
+                                           SinglePassRange> base;
         public:
-            using transform_fn_type = unwrap_ref<SinglePassRange>;
-            using source_range_type = SinglePassRange;
+            typedef unwrap_ref<SinglePassRange> transform_fn_type;
+            typedef SinglePassRange source_range_type;
 
             unwrap_ref_range(transform_fn_type fn, source_range_type &rng)
                 : base(fn, rng)
diff --git a/include/boost/range/algorithm/random_shuffle.hpp b/include/boost/range/algorithm/random_shuffle.hpp
index 2475173..33e98e0 100644
--- a/include/boost/range/algorithm/random_shuffle.hpp
+++ b/include/boost/range/algorithm/random_shuffle.hpp
@@ -32,12 +32,12 @@ struct wrap_rand
 {
     typedef unsigned int result_type;
 
-    static result_type (min)()
+    static BOOST_CONSTEXPR result_type (min)()
     {
         return 0;
     }
 
-    static result_type (max)()
+    static BOOST_CONSTEXPR result_type (max)()
     {
         return RAND_MAX;
     }
@@ -64,12 +64,12 @@ struct wrap_generator
 
     wrap_generator(Generator& gen) : g(gen) {}
 
-    static result_type (min)()
+    static BOOST_CONSTEXPR result_type (min)()
     {
         return 0;
     }
 
-    static result_type (max)()
+    static BOOST_CONSTEXPR result_type (max)()
     {
         return max_arg - 1;
     }
diff --git a/include/boost/range/begin.hpp b/include/boost/range/begin.hpp
index 0d7d3db..4f53d46 100644
--- a/include/boost/range/begin.hpp
+++ b/include/boost/range/begin.hpp
@@ -22,6 +22,8 @@
 #else
 
 #include <boost/range/iterator.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
 
 namespace boost
 {
@@ -94,7 +96,10 @@ namespace range_adl_barrier
 {
 
 template< class T >
-BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type begin( T& r )
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+BOOST_CONSTEXPR
+#endif
+inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type begin( T& r )
 {
 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
     using namespace range_detail;
@@ -103,7 +108,10 @@ BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type begin( T&
 }
 
 template< class T >
-BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<const T>::type begin( const T& r )
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+BOOST_CONSTEXPR
+#endif
+inline BOOST_DEDUCED_TYPENAME range_iterator<const T>::type begin( const T& r )
 {
 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
     using namespace range_detail;
diff --git a/include/boost/range/distance.hpp b/include/boost/range/distance.hpp
index 8dcf05b..5b82cf0 100644
--- a/include/boost/range/distance.hpp
+++ b/include/boost/range/distance.hpp
@@ -23,13 +23,18 @@
 namespace boost
 {
 
-    template< class T >
-    inline BOOST_CXX14_CONSTEXPR BOOST_DEDUCED_TYPENAME range_difference<T>::type
-    distance( const T& r )
+    namespace range_distance_adl_barrier
     {
-        return boost::distance( boost::begin( r ), boost::end( r ) );
+        template< class T >
+        inline BOOST_CXX14_CONSTEXPR BOOST_DEDUCED_TYPENAME range_difference<T>::type
+        distance( const T& r )
+        {
+            return boost::iterators::distance( boost::begin( r ), boost::end( r ) );
+        }
     }
 
+    using namespace range_distance_adl_barrier;
+
 } // namespace 'boost'
 
 #endif
diff --git a/include/boost/range/end.hpp b/include/boost/range/end.hpp
index 588495c..eab4fa9 100644
--- a/include/boost/range/end.hpp
+++ b/include/boost/range/end.hpp
@@ -24,6 +24,8 @@
 #include <boost/range/detail/implementation_help.hpp>
 #include <boost/range/iterator.hpp>
 #include <boost/range/const_iterator.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
 
 namespace boost
 {
@@ -88,7 +90,10 @@ namespace range_adl_barrier
 {
 
 template< class T >
-BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type end( T& r )
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+BOOST_CONSTEXPR
+#endif
+inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type end( T& r )
 {
 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
     using namespace range_detail;
@@ -97,7 +102,10 @@ BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type end( T& r
 }
 
 template< class T >
-BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator<const T>::type end( const T& r )
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
+BOOST_CONSTEXPR
+#endif
+inline BOOST_DEDUCED_TYPENAME range_iterator<const T>::type end( const T& r )
 {
 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
     using namespace range_detail;
diff --git a/test/adaptor_test/ref_unwrapped.cpp b/test/adaptor_test/ref_unwrapped.cpp
index ea190b3..c476b74 100644
--- a/test/adaptor_test/ref_unwrapped.cpp
+++ b/test/adaptor_test/ref_unwrapped.cpp
@@ -17,7 +17,7 @@
 
 #include <vector>
 
-#if !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_CXX11_RANGE_BASED_FOR)
+#if !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_CXX11_RANGE_BASED_FOR) && !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
 
 namespace boost
 {