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diff --git a/doc/html/boost_config/boost_macro_reference.html b/doc/html/boost_config/boost_macro_reference.html
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@@ -2619,6 +2619,19 @@
               </td>
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+<td>
+                <p>
+                  <code class="computeroutput"><span class="identifier">BOOST_NO_CXX11_DEFAULTED_MOVES</span></code>
+                </p>
+              </td>
+<td>
+                <p>
+                  The compiler does not support defaulted move constructor or assignment.
+                  Other defaulted functions may still be supported.
+                </p>
+              </td>
+</tr>
+<tr>
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@@ -3842,6 +3855,19 @@
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+<tr>
+<td>
+                <p>
+                  <code class="computeroutput"><span class="identifier">BOOST_NO_CXX17_IF_CONSTEXPR</span></code>
+                </p>
+              </td>
+<td>
+                <p>
+                  The compiler does not support <code class="computeroutput"><span class="keyword">if</span>
+                  <span class="keyword">constexpr</span></code>.
+                </p>
+              </td>
+</tr>
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 </table></div>
 </div>
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diff --git a/doc/html/boost_config/cstdint.html b/doc/html/boost_config/cstdint.html
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+<dl>
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+<div class="toc"><dl>
 <dt><span class="section"><a href="index.html#boost_config.configuring_boost_for_your_platform.using_the_default_boost_configuration">Using
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@@ -725,7 +725,7 @@
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       configuration usage</a>
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+<div class="toc"><dl>
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@@ -992,7 +992,7 @@
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-<td align="left"><p><small>Last revised: December 22, 2017 at 23:49:22 GMT</small></p></td>
+<td align="left"><p><small>Last revised: April 18, 2018 at 18:30:02 GMT</small></p></td>
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diff --git a/doc/macro_reference.qbk b/doc/macro_reference.qbk
index 737d4eb5..f44340dd 100644
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@@ -950,6 +950,7 @@ that are not yet supported by a particular compiler or library.
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 [[`BOOST_NO_CXX17_STD_INVOKE`][The compiler does not support `std::invoke()`.]]
 [[`BOOST_NO_CXX17_ITERATOR_TRAITS`][The compiler does not support SFINAE-friendly `std::iterator_traits`.]]
+[[`BOOST_NO_CXX17_IF_CONSTEXPR`][The compiler does not support `if constexpr`.]]
 ]
 
 [endsect]