diff -r f60c4282816c -r 7581d432643a sbsv2/raptor/lib/flm/e32abiv2.flm
--- a/sbsv2/raptor/lib/flm/e32abiv2.flm	Fri Apr 30 10:19:33 2010 +0100
+++ b/sbsv2/raptor/lib/flm/e32abiv2.flm	Fri Apr 30 16:07:17 2010 +0100
@@ -714,6 +714,9 @@
 ifneq ($(USE_TRACE_COMPILER),)
   include $(FLMHOME)/tracecompiler.mk
   WHATRELEASE:=$(WHATRELEASE) $(TRACE_DICTIONARY) $(AUTOGEN_HEADER)
+  ifneq ($(TRACE_PATH),)
+      CDEFS:=$(CDEFS) OST_TRACE_COMPILER_IN_USE
+  endif
 endif
 
 CC_CPPONLY_ARGS:=$(SYMBIAN_CCFLAGS) $(if $(DEBUG_INFO),-g) $(DEBUG_FORMAT) \