mention rdynamic, PR3431, patch by Stein Roger Skafløtten!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64106 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/tutorial/LangImpl4.html b/docs/tutorial/LangImpl4.html
index 8f5e054cec9cf27d16da7b79a22c931a97a7cfa8..95a8b6dd6a158de9ebf6dd8295dd5d79bd1e15d0 100644 (file)
--- a/docs/tutorial/LangImpl4.html
+++ b/docs/tutorial/LangImpl4.html
@@ -501,6 +501,11 @@ LLVM JIT and optimizer.  To build this example, use:
 </pre>
 </div>
 
+<p>
+If you are compiling this on Linux, make sure to add the "-rdynamic" option 
+as well.  This makes sure that the external functions are resolved properly 
+at runtime.</p>
+
 <p>Here is the code:</p>
 
 <div class="doc_code">