VERSION :=	0.9.2
CC ?=		gcc
TARGET :=	ke
OBJS :=		main.o
LIBS :=

PREFIX ?= $PREFIX
MANDIR ?= $MANDIR

CFLAGS += -Wall -Wextra -pedantic -Wshadow -Werror -std=c99 -g
CFLAGS += -DKE_VERSION="\"$(TARGET) version $(VERSION)\""
CFLAGS += OS_CFLAGS
all: $(TARGET)

clean:
	-rm -f .?*.* *.core *.o *.html tags $(TARGET) $(OBJS)
	-rm -rf security
	-rm -rf $(TARGET)-$(VERSION)
	-rm -f $(TARGET)-$(VERSION).tgz

$(TARGET): $(OBJS)
	${CC} -o $(TARGET) ${CFLAGS} ${LDFLAGS} $(LIBS) $(OBJS)

install: $(TARGET)
	install -m 0755 $(TARGET)  $(PREFIX)/bin/$(TARGET)
	install -m 0755 -d $(MANDIR)/man1
	install -m 0444 $(TARGET).1 $(MANDIR)/man1/$(TARGET).1

uninstall:
	-rm -f $(PREFIX)/bin/$(TARGET)
	-rm -f $(MANDIR)/man1/$(TARGET).1

lint: 
	-mkdir security
	-rats -w 3 $(TARGET).[ch] > security/rats.out
	-lint -fhrs $(TARGET).c > security/lint.out
	-splint +posixlib $(TARGET).[ch] > security/splint.out

dist: clean
	-mkdir $(TARGET)-$(VERSION)
	-cp * $(TARGET)-$(VERSION)
	-cd $(TARGET)-$(VERSION) && make distclean && cd ..
	-tar czf $(TARGET)-$(VERSION).tgz $(TARGET)-$(VERSION)

distclean: clean
	-rm -f Makefile

htmldoc:
	-mandoc -Thtml $(TARGET).1 > $(TARGET).1.html

tags:
	ctags *.[ch]

.c.o:
	$(CC) -c ${CFLAGS} $?

.PHONY: clean all install lint uninstall dist distclean htmldoc tags