CC           = cc
CCOPTS       = -Wall -std=gnu99 $(DBG)
PREFIX       = /usr/bin
MANPREFIX    = /usr/share/man

VERSION      = 1
PATCHLEVEL   = 2
EXTRAVERSION =
RELDATE      = 2019 August 30

VERSTR = "$(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL))$(EXTRAVERSION)"

all:
	@if [ ! -d obj ]; then mkdir obj; fi
	$(CC) $(CCOPTS) -c src/i18n_cat.c -o obj/i18n_cat.o
	$(CC) $(CCOPTS) -c src/i18n_set.c -o obj/i18n_set.o
	$(CC) $(CCOPTS) -DVERSTR=$(VERSTR) src/main.c obj/*.o -o upwgen
	# Interpolate the man page and compress
	sed \
		-e "s/{{ VERSTR }}/$(VERSTR)/" \
		-e "s/{{ RELDATE }}/$(RELDATE)/" \
		doc/upwgen.1 | gzip -c > upwgen.1.gz

debug:
	make DBG=-g

install:
	# Install the binary
	install -D -m 755 upwgen "$(DESTDIR)/$(PREFIX)/upwgen"
	# Install the man page
	install -D -m 644 upwgen.1.gz "$(DESTDIR)/$(MANPREFIX)/man1/upwgen.1.gz"

clean:
	@if [ -d obj ]; then rm -rf obj; fi
	@if [ -f upwgen ]; then rm -f upwgen; fi
	@if [ -f upwgen.1.gz ]; then rm -f upwgen.1.gz; fi