[project @ 2005-02-02 09:59:41 by simonmar]

Add an entry for "duplicate definition for __module_registered"

diff --git a/ghc/docs/users_guide/faq.xml b/ghc/docs/users_guide/faq.xml
index 93840e9..011a735 100644 (file)
--- a/ghc/docs/users_guide/faq.xml
+++ b/ghc/docs/users_guide/faq.xml
@@ -465,6 +465,23 @@ details.</para>
       </listitem>
     </varlistentry>
 
+    <varlistentry>
+      <term>I get an error message from GHCi about a "duplicate definition for
+       symbol __module_registered"</term>
+      <listitem>
+       <para>An error message like this:
+
+<screen>
+GHCi runtime linker: fatal error: I found a duplicate definition for symbol
+       __module_registered
+    whilst processing object file
+       /usr/local/lib/ghc-6.2/HSfgl.o</screen>
+
+         probably indicates that when building a library for GHCi
+         (<filename>HSfgl.o</filename> in the above example), you should use
+         the <option>-x</option> option to <literal>ld</literal>.</para>
+      </listitem>
+    </varlistentry>
   </variablelist>
 
 </chapter>