librsvg: disable introspection and don't enable Vala by default since we list them under optional dependencies

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@11434 af4574ff-66df-0310-9fd7-8a98e5e911e0

general/graphlib/librsvg.xml

@@ -111,8 +111,8 @@
     </para>
 
 <screen><userinput>./configure --prefix=/usr \
-            --enable-vala \
-            --disable-static &amp;&amp;
+            --disable-static \
+            --disable-introspection &amp;&amp;
 make</userinput></screen>
 
     <para>
@@ -130,18 +130,17 @@ make</userinput></screen>
   <sect2 role="commands">
     <title>Command Explanations</title>
 
-    <para>
-      <option>--enable-vala</option>: This switch enables
-      building of the Vala bindings. Remove if you don't have
-      <xref linkend="vala"/> installed.
-    </para>
-
     <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
       href="../../xincludes/static-libraries.xml"/>
 
     <para>
-      <option>--disable-introspection</option>: Use this switch if you have
-      not installed <application>Gobject Introspection</application>.
+      <option>--disable-introspection</option>: Omit this switch if you have
+      installed <application>Gobject Introspection</application>.
+    </para>
+
+    <para>
+      <option>--enable-vala</option>: This switch enables building of the Vala
+      bindings.
     </para>
 
     <para>