--- lib/parse_tree.rb.~1~	2010-12-27 20:39:27.668922955 +0100
+++ lib/parse_tree.rb	2010-12-27 21:06:24.341565405 +0100
@@ -258,6 +258,8 @@
     builder.include '"st.h"'
     builder.include '"env.h"'
 
+    builder.c 'static VALUE gentoo_timestamp_TIMESTAMP() { return 0; }'
+
     builder.prefix '#define _sym(s) ID2SYM(rb_intern((s)))'
 
     if RUBY_VERSION < "1.8.6" then