Index: Programs/Makefile.in
--- Programs/Makefile.in.orig
+++ Programs/Makefile.in
@@ -618,7 +618,7 @@ ctb_translate.$O:
 	$(CC) $(LIBCFLAGS) $(ICU_INCLUDES) -c $(SRC_DIR)/ctb_translate.c
 
 ctb_native.$O:
-	$(CC) $(LIBCFLAGS) -c $(SRC_DIR)/ctb_native.c
+	$(CC) $(LIBCFLAGS) $(ICU_INCLUDES) -c $(SRC_DIR)/ctb_native.c
 
 ctb_external.$O:
 	$(CC) $(LIBCFLAGS) -c $(SRC_DIR)/ctb_external.c
