HEADERS = $(wildcard src/*.h)
CSRCS   = $(wildcard src/*.c)

PO_SRCS = $(wildcard locale/*/*/*.po)
PO_OUTS = $(patsubst locale/%.po,locale/%.mo,$(PO_SRCS))
PO_DIRS = $(wildcard locale/*/*)

prefix = /usr
CC = gcc

all: dist/xcfg $(PO_OUTS)

dist/xcfg: $(CSRCS) $(HEADERS)
	mkdir -p dist
	$(CC) $(CFLAGS) $(CSRCS) -o $@ -lncurses -lmenu -lm

locale/%.mo: locale/%.po	
	msgfmt $^ -o $@

locale/%.po: locale/xcfg.pot
	cp $@ $@.old
	if msgmerge $@ $^ -o $@ ; then \
		rm $@.old ; \
		echo "merge success: $@" ; \
	else \
		echo "merge failed: $@" ; \
		mv $@.old $@ ; \
	fi; \

locale/xcfg.pot: $(CSRCS)
	mkdir -p locale
	xgettext -k_ -c $^ -o $@

install:
	mkdir -pv $(DESTDIR)/etc/xcfg
	mkdir -pv $(DESTDIR)/var/lib/xcfg
	mkdir -pv $(DESTDIR)$(prefix)/bin
	install -v -m755 dist/xcfg $(DESTDIR)$(prefix)/bin/xcfg 
	@for cmd in $(CMDS) ; do \
		ln -sfv xcfg $(DESTDIR)$(prefix)/bin/$$cmd ; \
	done
	@for po in $(PO_DIRS) ; do \
		echo "installing locale: $$po/xcfg.mo" ; \
		mkdir -pv $(DESTDIR)/usr/share/$$po ; \
		cp $$po/xcfg.mo $(DESTDIR)/usr/share/$$po ; \
	done

defcfg:
	cp -v install/cfg.default $(DESTDIR)/etc/xcfg/cfg

uninstall:
	rm -v $(DESTDIR)$(prefix)/bin/xcfg 
	@for cmd in $(CMDS) ; do \
		unlink $(DESTDIR)$(prefix)/bin/$$cmd ; \
	done

clean:
	rm dist/xcfg
	rm locale/xcfg.pot
	@for po in $(PO_DIRS) ; do \
		rm $$po/xcfg.mo ; \
	done

format:
	clang-format -i -style=file $(HEADERS) $(CSRCS) 

.PHONY: install defcfg uninstall clean