diff --git a/layout/base/src/Makefile.in b/layout/base/src/Makefile.in
index 79b34987b63c..18d3f263449d 100644
--- a/layout/base/src/Makefile.in
+++ b/layout/base/src/Makefile.in
@@ -49,6 +49,12 @@ CPPSRCS		= \
 		nsLayoutHistoryState.cpp \
 		$(NULL)
 
+ifdef IBMBIDI
+CPPSRCS		+= \
+		nsBidiPresUtils.cpp \
+		$(NULL)
+endif                
+
 # we don't want the shared lib, but we want to force the creation of a static lib.
 override NO_SHARED_LIB=1
 override NO_STATIC_LIB=
diff --git a/layout/base/src/makefile.win b/layout/base/src/makefile.win
index cb7b5ce3b209..3a119beab12e 100644
--- a/layout/base/src/makefile.win
+++ b/layout/base/src/makefile.win
@@ -44,6 +44,9 @@ CPPSRCS =				\
 	nsLayoutDebugger.cpp		\
 	nsCaret.cpp			\
 	nsLayoutHistoryState.cpp	\
+!ifdef IBMBIDI
+	nsBidiPresUtils.cpp		\
+!endif        
 	$(NULL)
 
 MODULE=raptor 
@@ -65,6 +68,9 @@ CPP_OBJS=					\
 	.\$(OBJDIR)\nsLayoutDebugger.obj	\
 	.\$(OBJDIR)\nsCaret.obj			\
 	.\$(OBJDIR)\nsLayoutHistoryState.obj	\
+!ifdef IBMBIDI
+	.\$(OBJDIR)\nsBidiPresUtils.obj		\
+!endif        
 	$(NULL)
 
 LINCS=-I..\..\html\base\src -I..\..\html\style\src \