Index: boost/wave/token_ids.hpp
===================================================================
--- boost/wave/token_ids.hpp	(revision 74924)
+++ boost/wave/token_ids.hpp	(working copy)
@@ -27,7 +27,7 @@
 #if !defined(BOOST_WAVE_TOKEN_IDS_DEFINED)
 #define BOOST_WAVE_TOKEN_IDS_DEFINED
 
-#if (defined (__FreeBSD__) || defined (__DragonFly__)) && defined (T_DIVIDE) 
+#if (defined (__FreeBSD__) || defined (__DragonFly__) || defined (__OpenBSD__)) && defined (T_DIVIDE) 
 #undef T_DIVIDE
 #endif