Simplified snc rules.

configure/RULES_BUILD

@@ -232,13 +232,15 @@ endif
 	$(MV) lex.yy.c $@
 
 #state notation language rule
-%.cpp: ../%.st
-	@echo "preprocessing $*.st"
-	@$(RM) $*.i
-	$(CPP) $(CPPSNCFLAGS) $(INCLUDES) $< > $*.i
-	@echo "converting $*.i"
+%.cpp: %.i
+	@echo "converting $<"
 	@$(RM) $@
-	$(SNC) $(TARGET_SNCFLAGS) $(SNCFLAGS) $*.i -o $@
+	$(SNC) $(TARGET_SNCFLAGS) $(SNCFLAGS) $< -o $@
+
+%.i: ../%.st
+	@echo "preprocessing $<"
+	@$(RM) $@
+	$(CPP) $(CPPSNCFLAGS) $(INCLUDES) $< > $@
 
 %.cpp:	../%.stt
 	@echo "converting $< "
@@ -390,7 +392,7 @@ $(INSTALL_TEMPLATES)/$(TEMPLATES_DIR)/%: %
 	@echo "Installing $@"
 	@$(INSTALL) -d -m 644 $< $(@D)
 
-.PRECIOUS: %.o %.c  %.nm %_ctdt.c
+.PRECIOUS: %.o %.c  %.nm %_ctdt.c %.i
 .PRECIOUS: $(COMMON_INC)
 
 -include $(CONFIG)/RULES.Db