Make it clearer that llvm-gcc is not needed for
building llvm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69441 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStarted.html b/docs/GettingStarted.html
index 87a143f..6a54c02 100644
--- a/docs/GettingStarted.html
+++ b/docs/GettingStarted.html
@@ -159,7 +159,8 @@
         <li><tt>--with-llvmgccdir=<i>directory</i></tt>
         <p>Optionally, specify for <i>directory</i> the full pathname of the 
         C/C++ front end installation to use with this LLVM configuration. If
-        not specified, the PATH will be searched.</p></li>
+        not specified, the PATH will be searched.  This is only needed if you
+        want to run the testsuite or do some special kinds of LLVM builds.</p></li>
         <li><tt>--enable-spec2000=<i>directory</i></tt>
             <p>Enable the SPEC2000 benchmarks for testing.  The SPEC2000
             benchmarks should be available in