#opt: OPTFLAGS = -O2
#export OPTFLAGS

.PHONY: all clean opt

all:
	cd new && $(MAKE)
	cd old && $(MAKE)

install:
	cd new && $(MAKE) install
	cd old && $(MAKE) install

clean:
	cd new && $(MAKE) clean
	cd old && $(MAKE) clean

opt:
	$(MAKE) all