.PHONY: all all: tap tests .PHONY: clean clean: cd tap && ${MAKE} clean cd tests && ${MAKE} clean OPT=-O2 .PHONY: tap tap: cd tap && OPTZ="${O0} -ggdb " CC=${CC} CXX=${CXX} ${MAKE} tests: tap cd tests && OPTZ="${O0} -ggdb " CC=${CC} CXX=${CXX} ${MAKE}