docs: add option to disable fmemopen

diff --git a/doc/manual.xml.head b/doc/manual.xml.head
index 17bf62381eebedceeb45506b7fd5b8c1271c22ed..c97c415699c965e71ad503345dd29d7ce155a0d6 100644 (file)
--- a/doc/manual.xml.head
+++ b/doc/manual.xml.head
@@ -9715,6 +9715,11 @@ set index_format='%4C %Z %<[y?%<[m?%<[d?%[%H:%M ]&%[%a %d]>&
       <listitem><para><literal>open_memstream()</literal>, <literal>fmemopen()</literal> from glibc</para></listitem>
     </itemizedlist>
 
+    <para>
+      This patch can be disabled by running <literal>configure</literal> with
+      the option <literal>--disable-fmemopen</literal>
+    </para>
+
     <para>This patch is part of the <ulink url="http://www.neomutt.org/">NeoMutt Project</ulink>.</para>
   </sect2>