-include DIRS -include ../../Rules.make all: debug release debug: for dir in $(DIRS); do \ make -C $$dir debug; \ done release: for dir in $(DIRS); do \ make -C $$dir release; \ done clean: for dir in $(DIRS); do \ make -C $$dir clean; \ done install: for dir in $(DIRS); do \ make -C $$dir install; \ done install_debug: for dir in $(DIRS); do \ make -C $$dir install_debug; \ done