SOURCES=$(wildcard *.[0-9].txt) MAN=$(SOURCES:%.txt=%) HTML=$(SOURCES:%.txt=%.html) all: man html man: $(MAN) html: $(HTML) %: %.xml xmlto man $*.xml %.xml: %.txt asciidoc -d manpage -b docbook $*.txt %.html: %.txt asciidoc -b html $*.txt clean: $(RM) $(MAN) $(MAN:%=%.xml) $(MAN:%=%.html)