--- a/sbsv2/raptor/lib/flm/win32.flm	Fri Apr 30 10:19:33 2010 +0100
+++ b/sbsv2/raptor/lib/flm/win32.flm	Fri Apr 30 16:07:17 2010 +0100
@@ -220,6 +220,9 @@
 ifneq ($(USE_TRACE_COMPILER),) 
   include $(FLMHOME)/tracecompiler.mk
   TC_RELEASABLES:=$(TRACE_DICTIONARY) $(AUTOGEN_HEADER)
+  ifneq ($(TRACE_PATH),)
+      CDEFS:=$(CDEFS) OST_TRACE_COMPILER_IN_USE
+  endif
 endif