ifndef RULES_MK RULES_MK:=a conditional to make it included only once
SHELL = /bin/sh
build : build-linux build-freebsd build-mini-linux build-mini-freebsd
.PHONY: build build-linux build-freebsd build-common build-common: build-linux build-freebsd: build-common .PHONY: build-mini-linux build-mini-freebsd build-mini-linux: build-linux build-mini-freebsd: build-freebsd .PHONY: clean maintainer-clean
%.gz : % gzip -9n <$< >$@
endif