fix build output

controller/build.mk

@@ -32,16 +32,12 @@ LIBTOOL=libtool
 	@$(AR) $(ARFLAGS) $@ $^
 
 %.tab.c %.tab.h: %.y
-	@echo "BISON   $<"
-	@bison -d $<
+	@echo "  BISON $<"
+	bison -d $<
 
-%.yy.h: %.l %.tab.h
+%.yy.c %.yy.h: %.l %.tab.h
 	@echo "   FLEX $<"
-	@flex --header-file=$*.yy.h $<
-
-%.yy.c: %.l %.tab.h
-	@echo " FLEX   $<"
-	@flex -o $@ $<
+	@flex --header-file=$*.yy.h -o $*.yy.c $<
 
 # il2c: instruction list 2 c 'compiler'
 %.c %.h: %.il

controller/controller/controller_load_parser.l

@@ -20,6 +20,7 @@
 %option noinput
 %option reentrant
 %option bison-bridge
+%option nounput
 
 %{
 #include <stdio.h>

controller/controller/il2c/Makefile

@@ -14,7 +14,7 @@ test: il2c
 SRCS= il2c.c
 
 clean:
-	rm -f il2c *.o *.tab.c *.tab.h *.yy.c *.d
+	rm -f il2c *.o *.tab.c *.tab.h *.yy.c *.d *.lo
 	@$(MAKE) -C test clean
 
 include ../../build.mk