DIRS =	Logger Commander Navigator

all:		
		for subdir in $(DIRS); do \
		  cd $$subdir; \
		  if \
		    make; \
		  then \
		    echo "make succeeded";\
		  else \
		    echo "make failed";\
		    exit; \
		  fi; \
		  cd ..; \
		done
		@echo ""
		@echo "That's all folks!"

clean:
		for subdir in $(DIRS); do \
		  (cd $$subdir; make clean; echo ; cd ..); \
		done