Add an explanation for LD=ld in the final gcc configure parameters

git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/cross2@11909 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter08/gcc.xml

@@ -71,7 +71,16 @@ cd       build</userinput></screen>
     for instructions on how to build all of GCC's supported languages.</para>
 
     <variablelist>
-      <title>The meaning of the new configure parameter:</title>
+      <title>The meaning of the new configure parameters:</title>
+
+      <varlistentry>
+        <term><parameter>LD=ld</parameter></term>
+        <listitem>
+          <para>This parameter makes the configure script use the ld installed
+          by the binutils installed earlier in this chapter, rather than
+          the cross-built version which would otherwise be used.</para>
+        </listitem>
+      </varlistentry>
 
       <varlistentry>
         <term><parameter>--with-system-zlib</parameter></term>