ifneq (,) .error This Makefile requires GNU Make. endif# Ensure additional Makefiles are presentMAKEFILES = Makefile.docker Makefile.lint $(MAKEFILES): URL=https://raw.githubusercontent.com/devilbox/makefiles/master/$(@)$(MAKEFILES): @if ! (curl --fail -sS -o $(@)$(URL)|| wget -O $(@)$(URL));then\echo"Error, curl or wget required.";\echo"Exiting.";\false;\fiinclude$(MAKEFILES)