ETCDIRS = styles -include local.mk # optional local customization .NOTPARALLEL: # always run this make serially .SUFFIXES: # we don't need default suffix rules ifeq ($(MAKELEVEL), 0) $(error This make needs to be started as a sub-make from the toplevel directory.) endif .PHONY: all install clean cleanall clean-install all: install: $(ETCDIRS) $(foreach dir, $?, if [ ! -d $(DESTDIR)$(datadir)/$(dir) ]; then $(MKDIR) $(DESTDIR)$(datadir)/$(dir); else true; fi ; $(CP) $(dir)/* $(DESTDIR)$(datadir)/$(dir); ) clean: cleanall: clean-install: if [ ! -d $(DESTDIR)$(datadir) ]; then $(MKDIR) $(DESTDIR)$(datadir); else true; fi ; $(RMR) $(DESTDIR)$(datadir)