--- a/hostsupport/hostopenvg/src/riDefs.h	Tue Oct 26 14:14:43 2010 +0100
+++ b/hostsupport/hostopenvg/src/riDefs.h	Mon Nov 01 18:10:32 2010 +0000
@@ -153,7 +153,7 @@
 #endif
 
 #if defined(RI_DEBUG)
-#   if defined(_WIN32)
+#   if defined(_WIN32) && !defined(__GNUG__)
 #       define RI_TRACE(...) do { \
         char buf[512]; \
         snprintf(buf, sizeof(buf), __VA_ARGS__); \