alloc_traits.h: Add feature-test macro.

	* include/bits/alloc_traits.h: Add feature-test macro.
	* include/bits/allocator.h: Likewise.
	* include/bits/range_access.h: Likewise.
	* include/bits/stl_map.h: Likewise.
	* include/bits/unordered_map.h: Likewise.

From-SVN: r226864

libstdc++-v3/ChangeLog

 2015-08-13  Jonathan Wakely  <jwakely@redhat.com>
 
+	* include/bits/alloc_traits.h: Add feature-test macro.
+	* include/bits/allocator.h: Likewise.
+	* include/bits/range_access.h: Likewise.
+	* include/bits/stl_map.h: Likewise.
+	* include/bits/unordered_map.h: Likewise.
+
+2015-08-13  Jonathan Wakely  <jwakely@redhat.com>
+
 	* testsuite/30_threads/mutex/unlock/2.cc: New.
 	* testsuite/30_threads/recursive_mutex/unlock/2.cc: New.
 	* testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: New.

libstdc++-v3/include/bits/alloc_traits.h

@@ -36,6 +36,8 @@
 #include <bits/ptr_traits.h>
 #include <ext/numeric_traits.h>
 
+#define __cpp_lib_allocator_traits_is_always_equal 201411
+
 namespace std _GLIBCXX_VISIBILITY(default)
 {
 _GLIBCXX_BEGIN_NAMESPACE_VERSION

libstdc++-v3/include/bits/allocator.h

@@ -78,6 +78,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       // 2103. std::allocator propagate_on_container_move_assignment
       typedef true_type propagate_on_container_move_assignment;
 
+#define __cpp_lib_allocator_is_always_equal 201411
       typedef true_type is_always_equal;
 #endif
     };

libstdc++-v3/include/bits/range_access.h

@@ -223,6 +223,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 #endif // C++14
 
 #if __cplusplus > 201402L
+#define __cpp_lib_nonmember_container_access 201411
 
   /**
    *  @brief  Return the size of a container.

libstdc++-v3/include/bits/stl_map.h

@@ -591,7 +591,9 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
 					     std::forward<_Args>(__args)...);
 	}
 #endif
+
 #if __cplusplus > 201402L
+#define __cpp_lib_map_try_emplace 201411
       /**
        *  @brief Attempts to build and insert a std::pair into the %map.
        *
@@ -708,6 +710,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
           return __i;
         }
 #endif
+
       /**
        *  @brief Attempts to insert a std::pair into the %map.
 
@@ -805,6 +808,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
         { _M_t._M_insert_unique(__first, __last); }
 
 #if __cplusplus > 201402L
+#define __cpp_lib_map_insertion 201411
       /**
        *  @brief Attempts to insert or assign a std::pair into the %map.
        *  @param __k    Key to use for finding a possibly existing pair in

libstdc++-v3/include/bits/unordered_map.h

@@ -412,6 +412,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
 
 
 #if __cplusplus > 201402L
+#define __cpp_lib_unordered_map_try_emplace 201411
       /**
        *  @brief Attempts to build and insert a std::pair into the
        *  %unordered_map.
@@ -617,6 +618,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
 
 
 #if __cplusplus > 201402L
+#define __cpp_lib_unordered_map_insertion 201411
       /**
        *  @brief Attempts to insert a std::pair into the %unordered_map.
        *  @param __k    Key to use for finding a possibly existing pair in