include config.mk

HDR = text.h util.h
LIB = \
	util/afgets.o  \
	util/agetcwd.o \
	util/concat.o  \
	util/enmasse.o \
	util/eprintf.o \
	util/putword.o \
	util/recurse.o \
	util/strnum.o  \

SRC = \
	basename.c \
	cat.c      \
	chmod.c    \
	chown.c    \
	cksum.c    \
	cmp.c      \
	date.c     \
	dirname.c  \
	echo.c     \
	false.c    \
	fold.c     \
	grep.c     \
	head.c     \
	kill.c     \
	ln.c       \
	ls.c       \
	mkdir.c    \
	mkfifo.c   \
	nl.c       \
	pwd.c      \
	rm.c       \
	sleep.c    \
	sort.c     \
	tail.c     \
	tee.c      \
	touch.c    \
	true.c     \
	tty.c      \
	uname.c    \
	wc.c

OBJ = $(SRC:.c=.o) $(LIB)
BIN = $(SRC:.c=)
MAN = $(SRC:.c=.1)

all: $(BIN)

$(OBJ): util.h config.mk
$(BIN): util.a
cat.o grep.o tail.o: text.h

.o:
	@echo LD -o $@
	@$(LD) -o $@ $< util.a $(LDFLAGS)

.c.o:
	@echo CC -c $<
	@$(CC) -c -o $@ $< $(CFLAGS)

util.a: $(LIB)
	@echo AR -r $@
	@$(AR) -r -c $@ $(LIB)

install: all
	@echo installing executables to $(DESTDIR)$(PREFIX)/bin
	@mkdir -p $(DESTDIR)$(PREFIX)/bin
	@cp -f $(BIN) $(DESTDIR)$(PREFIX)/bin
	@cd $(DESTDIR)$(PREFIX)/bin && chmod 755 $(BIN)
	@echo installing manual pages to $(DESTDIR)$(MANPREFIX)/man1
	@mkdir -p $(DESTDIR)$(MANPREFIX)/man1
	@cp -f $(MAN) $(DESTDIR)$(MANPREFIX)/man1
	@cd $(DESTDIR)$(MANPREFIX)/man1 && chmod 644 $(MAN)

uninstall:
	@echo removing executables from $(DESTDIR)$(PREFIX)/bin
	@cd $(DESTDIR)$(PREFIX)/bin && rm -f $(BIN)
	@echo removing manual pages from $(DESTDIR)$(MANPREFIX)/man1
	@cd $(DESTDIR)$(MANPREFIX)/man1 && rm -f $(MAN)

dist: clean
	@echo creating dist tarball
	@mkdir -p sbase-$(VERSION)
	@cp -r LICENSE Makefile config.mk $(SRC) $(MAN) util $(HDR) sbase-$(VERSION)
	@tar -cf sbase-$(VERSION).tar sbase-$(VERSION)
	@gzip sbase-$(VERSION).tar
	@rm -rf sbase-$(VERSION)

clean:
	@echo cleaning
	@rm -f $(BIN) $(OBJ) $(LIB) util.a