Document new -with-libxslt build option.

diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml
index 828178f9644df3c22206388c0094d20480ad5046..33b1bbb4ae6e3fa4ae843077b585e0957c6e681b 100644 (file)
--- a/doc/src/sgml/installation.sgml
+++ b/doc/src/sgml/installation.sgml
@@ -933,6 +933,17 @@ su - postgres
        </listitem>
       </varlistentry>
 
+      <varlistentry>
+       <term><option>--with-libxslt</option></term>
+       <listitem>
+        <para>
+         Build with libxslt. The <filename>contrib/xml2</> module 
+                relies on this library to perform Stylesheet transformations of
+                XML. 
+        </para>
+       </listitem>
+      </varlistentry>
+
       <varlistentry>
        <term><option>--enable-integer-datetimes</option></term>
        <listitem>