ch06/file: disable host libraries to prevent FTBFS

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@12125 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/file.xml

@@ -51,10 +51,28 @@
 
 <screen><userinput remap="pre">mkdir build
 pushd build
-  ../configure
+  ../configure --disable-bzlib      \ 
+               --disable-libseccomp \
+               --disable-xzlib      \
+               --disable-zlib
   make
 popd</userinput></screen>
 
+    <variablelist>
+      <title>The meaning of the new configure option:</title>
+
+      <varlistentry>
+        <term><parameter>--disable-*</parameter></term>
+        <listitem>
+          <para>The configuration script attempt to use some packages from
+          the host distribution if the corresponding library files exist.
+          It may cause compilation failure if a library file exists, but
+          the corresponding header files do not exist.  The options prevent
+          to use the packages from the host.</para>
+        </listitem>
+      </varlistentry>
+    </variablelist>
+
     <para>Prepare File for compilation:</para>
 
 <screen><userinput remap="configure">./configure --prefix=/usr --host=$LFS_TGT --build=$(./config.guess)</userinput></screen>