Fix libxml2 instructions for Python 3

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@18949 af4574ff-66df-0310-9fd7-8a98e5e911e0

general.ent

@@ -1,12 +1,12 @@
 <!-- $LastChangedBy$ $Date$ -->
 
-<!ENTITY day          "17">                   <!-- Always 2 digits -->
+<!ENTITY day          "19">                   <!-- Always 2 digits -->
 <!ENTITY month        "07">                   <!-- Always 2 digits -->
 <!ENTITY year         "2017">
 <!ENTITY copyrightdate "2001-&year;">
 <!ENTITY copyholder   "The BLFS Development Team">
 <!ENTITY version      "&year;-&month;-&day;">
-<!ENTITY releasedate  "July 17th &year;">
+<!ENTITY releasedate  "July 19th &year;">
 <!ENTITY pubdate      "&year;-&month;-&day;"> <!-- metadata req. by TLDP -->
 <!ENTITY blfs-version "svn">                  <!-- svn|[release #] -->
 <!ENTITY lfs-version  "development">          <!-- x.y|development -->

general/genlib/libxml2.xml

@@ -93,9 +93,9 @@
 
     <bridgehead renderas="sect4">Recommended</bridgehead>
     <para role="recommended">
-      <xref linkend="python2"/> and <xref linkend="python3"/> (to build and install a
-      <application>Python</application> library module, additionally it is
-      required to run the full suite of tests)
+      <xref linkend="python2"/> or <xref linkend="python3"/> (to build and
+      install a <application>Python</application> library module, additionally
+      it is required to run the full suite of tests)
       <!-- As discovered by Bruce, itstool needs this module. -->
     </para>
 
@@ -123,6 +123,13 @@
   <sect2 role="installation">
     <title>Installation of libxml2</title>
 
+    <para>
+      If you want to build the <application>Python</application> module for
+      <xref linkend="python3"/>, run:
+    </para>
+
+<screen><userinput>sed -i '/_PyVerify_fd/,+1d' python/types.c</userinput></screen>
+
     <para>
       Install <application>libxml2</application> by running the following
       commands:
@@ -167,6 +174,16 @@ make</userinput></screen>
       want libxml2 to use Python3 instead of Python2.
     </para>
 
+    <para>
+      <option>--with-icu</option>: Add this switch if you have built
+      <xref linkend="icu"/>, for better unicode support.
+    </para>
+
+    <para>
+      <option>--with-threads</option>: Add this switch to enable multithread
+      support.
+    </para>
+
   </sect2>
 
   <sect2 role="content">

introduction/welcome/changelog.xml

@@ -41,6 +41,18 @@
       </itemizedlist>
     </listitem>
 -->
+
+    <listitem>
+      <para>July 19th, 2017</para>
+      <itemizedlist>
+        <listitem>
+          <para>[pierre] - Fix instructions for building libxml2 with
+          Python3, and add some command explanations. Fixes
+          <ulink url="&blfs-ticket-root;9467">#9467</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>July 17th, 2017</para>
       <itemizedlist>