Clean up date and timezone handling.
We used to pass changelog dates around as a "unixtime timezone" string
containing a pair of encoded ints. Now, they get passed around as a
(unixtime, timezone) tuple of numbers, which makes much more sense.
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)