seperate out patch command

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1186 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter05/diffutils-inst.xml

@@ -1,7 +1,11 @@
 <sect2>
 <title>Installation of Diffutils</title>
 
-<para>Install Diffutils by running the following commands:</para>
+<para>When installing Diffutils using glibc-2.1.x on your base system, it may 
+be necessary to use a fix to prevent a variable name conflict.  The
+following commands can be used in this case.  Note that these commands
+can also be used for other glibc versions so if you aren't sure, then
+use the first version.</para>
 
 <para><screen><userinput>export CPPFLAGS=-Dre_max_failures=re_max_failures2 &amp;&amp;</userinput>
 <userinput>./configure --prefix=$LFS/usr &amp;&amp;</userinput>
@@ -9,5 +13,12 @@
 <userinput>make LDFLAGS=-static &amp;&amp;</userinput>
 <userinput>make install</userinput></screen></para>
 
+<para>If you are using a newer glibc version (2.2.x), you can use the following
+commands to install diffutils:</para>
+
+<para><screen><userinput>./configure --prefix=$LFS/usr &amp;&amp;</userinput>
+<userinput>make LDFLAGS=-static &amp;&amp;</userinput>
+<userinput>make install</userinput></screen></para>
+
 </sect2>