diff --git a/libstdc++-v3/doc/html/manual/configure.html b/libstdc++-v3/doc/html/manual/configure.html
index 346b5d345cd1ba1360f17bfd2046a848e16f03bf..3564b0c409f01e5510a5017706b11ce6ee85d9c7 100644
--- a/libstdc++-v3/doc/html/manual/configure.html
+++ b/libstdc++-v3/doc/html/manual/configure.html
@@ -9,7 +9,7 @@
   Here are all of the configure options specific to libstdc++.  Keep
   in mind that
    
-   <a class="link" href="http://sourceware.org/autobook/autobook/autobook_14.html" target="_top">they
+   <a class="link" href="https://sourceware.org/autobook/autobook/autobook_14.html" target="_top">they
    all have opposite forms as well</a> (enable/disable and
    with/without).  The defaults are for the <span class="emphasis"><em>current
    development sources</em></span>, which may be different than those
@@ -82,7 +82,7 @@
 	(described next).
      </p></dd><dt><span class="term"><code class="code">--enable-threads=OPTION</code></span></dt><dd><p>Select a threading library.  A full description is
 	given in the
-	general <a class="link" href="http://gcc.gnu.org/install/configure.html" target="_top">compiler
+	general <a class="link" href="https://gcc.gnu.org/install/configure.html" target="_top">compiler
 	configuration instructions</a>. This option can change the
 	library ABI.
      </p></dd><dt><span class="term"><code class="code">--enable-libstdcxx-threads</code></span></dt><dd><p>Enable C++11 threads support.  If not explicitly specified,
diff --git a/libstdc++-v3/doc/xml/manual/configure.xml b/libstdc++-v3/doc/xml/manual/configure.xml
index 0a477ab85e59dfbd4ed83e856d3bfba87c647608..cd5f44458a2e2632ca2aa906dbf043e5ef39c0e8 100644
--- a/libstdc++-v3/doc/xml/manual/configure.xml
+++ b/libstdc++-v3/doc/xml/manual/configure.xml
@@ -24,7 +24,7 @@
   Here are all of the configure options specific to libstdc++.  Keep
   in mind that
    <!-- This SECnn should be the "Choosing Package Options" section. -->
-   <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://sourceware.org/autobook/autobook/autobook_14.html">they
+   <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://sourceware.org/autobook/autobook/autobook_14.html">they
    all have opposite forms as well</link> (enable/disable and
    with/without).  The defaults are for the <emphasis>current
    development sources</emphasis>, which may be different than those
@@ -148,7 +148,7 @@
  <varlistentry><term><code>--enable-threads=OPTION</code></term>
  <listitem><para>Select a threading library.  A full description is
 	given in the
-	general <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://gcc.gnu.org/install/configure.html">compiler
+	general <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://gcc.gnu.org/install/configure.html">compiler
 	configuration instructions</link>. This option can change the
 	library ABI.
      </para>