Define feature macro and update C++17 library status

	* doc/xml/manual/status_cxx2017.xml: Update status.
	* doc/html/*: Regenerate.
	* include/std/functional (__cpp_lib_boyer_moore_searcher): Define.
	* testsuite/20_util/function_objects/searchers.cc: Test feature macro.

From-SVN: r240550

libstdc++-v3/ChangeLog

 2016-09-27  Jonathan Wakely  <jwakely@redhat.com>
 
 	* doc/xml/manual/status_cxx2017.xml: Update status.
+	* doc/html/*: Regenerate.
+	* include/std/functional (__cpp_lib_boyer_moore_searcher): Define.
+	* testsuite/20_util/function_objects/searchers.cc: Test feature macro.
+
+	* doc/xml/manual/status_cxx2017.xml: Update status.
 	* include/c_global/cmath (hypot): Add three-dimensional overloads.
 	* testsuite/26_numerics/headers/cmath/hypot.cc: New.
 

libstdc++-v3/doc/html/manual/status.html

@@ -523,11 +523,11 @@ Feature-testing recommendations for C++</a>.
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html" target="_top">
 	P0220R1
 	</a>
-      </td><td align="center"> No </td><td align="left"> <code class="code">__cpp_lib_shared_ptr_arrays &gt;= 201603</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Library Fundamentals V1 TS Components: Searchers </td><td align="left">
+      </td><td align="center"> No </td><td align="left"> <code class="code">__cpp_lib_shared_ptr_arrays &gt;= 201603</code> </td></tr><tr><td align="left"> Library Fundamentals V1 TS Components: Searchers </td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html" target="_top">
 	P0220R1
 	</a>
-      </td><td align="center"> No </td><td align="left"> <code class="code">__cpp_lib_boyer_moore_searcher &gt;= 201603</code> </td></tr><tr><td align="left"> Constant View: A proposal for a <code class="code">std::as_const</code> helper function template	</td><td align="left">
+      </td><td align="center"> 7 </td><td align="left"> <code class="code">__cpp_lib_boyer_moore_searcher &gt;= 201603</code> </td></tr><tr><td align="left"> Constant View: A proposal for a <code class="code">std::as_const</code> helper function template	</td><td align="left">
 	<a class="link" href="" target="_top">
 	P0007R1
 	</a>
@@ -582,19 +582,19 @@ Feature-testing recommendations for C++</a>.
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0005r4.html" target="_top">
 	P0005R4
 	</a>
-      </td><td align="center"> 7 </td><td align="left"><code class="code">__cpp_lib_not_fn &gt;= 201603</code></td></tr><tr bgcolor="#C8B0B0"><td align="left"> Fixes for <code class="code">not_fn</code> </td><td align="left">
+      </td><td align="center"> 7 </td><td align="left"><code class="code">__cpp_lib_not_fn &gt;= 201603</code></td></tr><tr><td align="left"> Fixes for <code class="code">not_fn</code> </td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0358r1.html" target="_top">
 	P0358R1
 	</a>
-      </td><td align="center"> No </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Fixing a design mistake in the searchers interface in Library Fundamentals </td><td align="left">
+      </td><td align="center"> 7 </td><td align="left"> </td></tr><tr><td align="left"> Fixing a design mistake in the searchers interface in Library Fundamentals </td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0253r1.pdf" target="_top">
 	P0253R1
 	</a>
-      </td><td align="center"> No </td><td align="left"> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Extending memory management tools </td><td align="left">
+      </td><td align="center"> 7 </td><td align="left"> </td></tr><tr><td align="left"> Extending memory management tools </td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0040r3.html" target="_top">
 	P0040R3
 	</a>
-      </td><td align="center"> No </td><td align="left"><code class="code"> </code></td></tr><tr><td align="left"> <code class="code">shared_ptr::weak_type</code></td><td align="left">
+      </td><td align="center"> 7 </td><td align="left"><code class="code"> </code></td></tr><tr><td align="left"> <code class="code">shared_ptr::weak_type</code></td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0163r0.html" target="_top">
 	P0163R0
 	</a>
@@ -693,11 +693,11 @@ Feature-testing recommendations for C++</a>.
 	</a>
       </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_gcd &gt;= 201606 </code>,
 	     <code class="code"> __cpp_lib_lcm &gt;= 201606 </code>
-      </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Proposal to Introduce a 3-Argument Overload to <code class="code">std::hypot</code> </td><td align="left">
+      </td></tr><tr><td align="left"> Proposal to Introduce a 3-Argument Overload to <code class="code">std::hypot</code> </td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0030r1.pdf" target="_top">
 	P0030R1
 	</a>
-      </td><td align="center"> No </td><td align="left"><code class="code"> __cpp_lib_hypot &gt;= 201603 </code></td></tr><tr><td align="left"> Mathematical Special Functions for C++17 </td><td align="left">
+      </td><td align="center"> 7 </td><td align="left"><code class="code"> __cpp_lib_hypot &gt;= 201603 </code></td></tr><tr><td align="left"> Mathematical Special Functions for C++17 </td><td align="left">
 	<a class="link" href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0226r1.pdf" target="_top">
 	P0226R1
 	</a>

libstdc++-v3/doc/xml/manual/status_cxx2017.xml

@@ -171,14 +171,13 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry> Library Fundamentals V1 TS Components: Searchers </entry>
       <entry>
 	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0220r1.html">
 	P0220R1
 	</link>
       </entry>
-      <entry align="center"> No </entry>
+      <entry align="center"> 7 </entry>
       <entry> <code>__cpp_lib_boyer_moore_searcher >= 201603</code> </entry>
     </row>
 
@@ -332,38 +331,35 @@ Feature-testing recommendations for C++</link>.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry> Fixes for <code>not_fn</code> </entry>
       <entry>
 	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0358r1.html">
 	P0358R1
 	</link>
       </entry>
-      <entry align="center"> No </entry>
+      <entry align="center"> 7 </entry>
       <entry/>
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry> Fixing a design mistake in the searchers interface in Library Fundamentals </entry>
       <entry>
 	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0253r1.pdf">
 	P0253R1
 	</link>
       </entry>
-      <entry align="center"> No </entry>
+      <entry align="center"> 7 </entry>
       <entry/>
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry> Extending memory management tools </entry>
       <entry>
 	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0040r3.html">
 	P0040R3
 	</link>
       </entry>
-      <entry align="center"> No </entry>
+      <entry align="center"> 7 </entry>
       <entry><code> </code></entry>
     </row>
 

libstdc++-v3/include/std/functional

@@ -2206,6 +2206,7 @@ _GLIBCXX_MEM_FN_TRAITS(&&, false_type, true_type)
     }
 
   // Searchers
+#define __cpp_lib_boyer_moore_searcher 201603
 
   template<typename _ForwardIterator1, typename _BinaryPredicate = equal_to<>>
     class default_searcher

libstdc++-v3/testsuite/20_util/function_objects/searchers.cc

@@ -25,6 +25,12 @@
 #include <algorithm>
 #include <testsuite_hooks.h>
 
+#ifndef __cpp_lib_boyer_moore_searcher
+# error "Feature-test macro for searchers missing"
+#elif __cpp_lib_boyer_moore_searcher < 201603
+# error "Feature-test macro for searchers has wrong value"
+#endif
+
 using std::make_default_searcher;
 using std::make_boyer_moore_searcher;
 using std::make_boyer_moore_horspool_searcher;