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[wwwdocs] gcc-4.3/changes.html -- introduce new -fdirectives-only option


Adds a blurb about the new -fdirectives-only option.

Ollie
Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.3/changes.html,v
retrieving revision 1.70
diff -u -r1.70 changes.html
--- changes.html	11 Sep 2007 20:25:52 -0000	1.70
+++ changes.html	13 Sep 2007 22:51:12 -0000
@@ -237,6 +237,12 @@
     convenient means to generate unique identifiers.
     </li>
 
+    <li>
+    A new command line option <code>-fdirectives-only</code> has been
+    added.  It enables a special preprocessing mode which improves the
+    performance of applications like distcc and ccache.
+    </li>
+
   </ul>
 
 <h3>C++</h3>

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