PREFIX ?= ~/.local
MANDIR ?= ${PREFIX}/share/man

BINS = rfc rfctags
MODULE = ftp.rfc-editor.org::rfcs-text-only
RFCS = ${MODULE}/rfc-index.txt ${MODULE}/'rfc[1-9]*.txt'

all: ${BINS}

.SUFFIXES: .in .pl

.in:
	sed 's|%%PREFIX%%|${PREFIX}|g' $< > $@
	chmod a+x $@

.pl:
	cp -f $< $@
	chmod a+x $@

clean:
	rm -f ${BINS}

install: ${BINS} rfc.1
	install -d ${PREFIX}/bin ${MANDIR}/man1 ${PREFIX}/share
	install ${BINS} ${PREFIX}/bin
	install -m 644 rfc.1 ${MANDIR}/man1
	ln -fs rfc.1 ${MANDIR}/man1/rfctags.1
	rsync -ptz ${RFCS} ${PREFIX}/share/rfc

uninstall:
	rm -f ${BINS:%=${PREFIX}/bin/%} ${BINS:%=${MANDIR}/man1/%.1}
	rm -fr ${PREFIX}/share/rfc