LESSONS = files editor morefiles macros eqn C

FILES = lrndef lrnref \
	copy.c dounit.c learn.c list.c \
	makpipe.c maktee.c mem.c mysys.c selsub.c selunit.c \
	start.c whatnow.c wrapup.c \
	lcount.c tee.c \
	makefile ../README

OBJECTS = copy.o dounit.o learn.o list.o mem.o \
	makpipe.o maktee.o mysys.o selsub.o selunit.o \
	start.o whatnow.o wrapup.o

CFLAGS = -O
LIBRARY = -lS

a.out: $(OBJECTS)
	cc -n $(CFLAGS) $(OBJECTS) $(LIBRARY)

$(OBJECTS): lrnref
learn.o: lrndef

list:
	pr $(FILES)

bin:
	cp a.out /usr/bin/learn
	strip /usr/bin/learn

lcount tee:
	cc $(CFLAGS) -s $@.c -o ../lib/$@ $(LIBRARY)

lessons:	$(LESSONS)

play log:
	-rm -r ../lib/$@; mkdir ../lib/$@; chmod +w ../lib/$@

$(LESSONS):
	-rm -r ../lib/$@
	mkdir ../lib/$@
	(cd ../lib/$@; ar x ../$@.a)

everything:	a.out bin tee lcount lessons play log check

archives:
	(cd ../lib/files; ar r ../files.a L*)
	(cd ../lib/morefiles; ar r ../morefiles.a L*)
	(cd ../lib/editor; ar r ../editor.a L*)
	(cd ../lib/macros; ar r ../macros.a L*)
	(cd ../lib/eqn; ar r ../eqn.a L* tinyms Init)
	(cd ../lib/C; ar r ../C.a L* get*)

export:
	: make the directories
	mkdir export export/source export/lib
	: copy source files
	-cp $(FILES) export/source
	: non-directories in lib
	-for i in ../lib/*;\
	do if test -f $$i; then	cp $$i export/lib; fi;\
	done

check:
	-@test -r ../lib/tee || echo 'tee not present; make tee'
	-@test -r ../lib/lcount || echo 'lcount not present; make lcount'
	-@test -r ../lib/play || echo 'play directory not present; make play'
	-@test -r ../lib/log || echo 'log directory not present; make log'
	-@for i in $(LESSONS); do test -r ../lib/$$i/L0 || echo $$i not unarchived, make $$i; done