libobjs= snap.o devname.o pwcache.o alloc.o whattime.o sysinfo.o status.o compare.o
liba= libproc.a
lib= proc
mandir= /usr/man/man1
admmandir=/usr/man/man8
instdir= /usr/bin
sbindir= /sbin
xinstdir= /usr/X386/bin
xdefinstdir= /usr/X386/lib/X11/app-defaults
install= cp

CC= gcc
CFLAGS=-O2 -Wall -Wno-parentheses -fomit-frame-pointer
#CFLAGS=-O2 -Wall -Wno-parentheses -ggdb
SLDFLAGS=-N -s
LDFLAGS=-s

# Uncomment the following line to make the default behavior in w be to
# show the remote host that a user is logged in from.
#W_SHOWFROM=-DW_SHOWFROM

PROGS=ps uptime tload free w top killall pstree fuser
SPROGS=psupdate
XPROGS=xload xmem xidle XConsole 

all:	$(PROGS) $(SPROGS)

$(liba):	$(libobjs)
	ar rcs $(liba) $(libobjs)

signames.h:	/usr/include/linux/signal.h
	tr -s '\t ' '  ' </usr/include/linux/signal.h | sed \
	's/#define SIG\([A-Z0-9]\+\) \([0-9]\+\) *$$/{ \2,"\1" },/p;d' \
	> signames.h

signals.o:	signals.h signals.c signames.h

fuser.o:	fuser.c signals.h

killall.o:	killall.c signals.h

ps:	$(liba) ps.o
	$(CC) $(CFLAGS) $(LDFLAGS) -o ps ps.o -L. -l$(lib)

w.o:	w.c ps.h whattime.h
	$(CC) $(CFLAGS) $(W_SHOWFROM) -c w.c

w:	$(liba) w.o
	$(CC) $(CFLAGS) $(LDFLAGS) -o w w.o -L. -l$(lib)

psupdate:	$(liba) psupdate.o
	$(CC) $(CFLAGS) $(SLDFLAGS) -o psupdate psupdate.o -L. -l$(lib)

top:	$(liba) top.o
	$(CC) $(CFLAGS) $(LDFLAGS) -o top top.o -ltermcap -L. -l$(lib)

uptime:	$(liba) uptime.o
	$(CC) $(CFLAGS) $(SLDFLAGS) uptime.o -o uptime -L. -l$(lib)

tload:	$(liba) tload.o
	$(CC) $(CFLAGS) $(SLDFLAGS) tload.o -o tload -L. -l$(lib)

free:	free.o
	$(CC) $(CFLAGS) $(SLDFLAGS) free.o -o free

utmp:	utmp.o
	$(CC) $(CFLAGS) $(LDFLAGS) utmp.o -o utmp

fuser:	fuser.o signals.o
	$(CC) $(CFLAGS) $(SLDFLAGS) fuser.o signals.o -o fuser

killall: killall.o signals.o
	$(CC) $(CFLAGS) $(SLDFLAGS) killall.o signals.o -o killall

pstree:	pstree.c
	$(CC) $(CFLAGS) $(SLDFLAGS) -o pstree pstree.c -ltermcap


xproc/Makefile: xproc/Imakefile
	(cd xproc; xmkmf -a)

xload:	xproc/Makefile
	(cd xproc; make xload; strip xload; mv xload ..)

xmem:	xproc/Makefile
	(cd xproc; make xmem; strip xmem; mv xmem ..)

xidle:	xproc/Makefile
	(cd xproc; make xidle; strip xidle; mv xidle ..)

XConsole:	xproc/Makefile
	(cd xproc; make XConsole; strip XConsole; mv XConsole ..)



xprogs:	$(XPROGS)

install:
	for i in $(PROGS); do if [ -f /bin/$$i ] ; then \
	echo "Warning -- /bin/$$i also exists, /usr/bin/$$i is new name"; fi; done;
	for i in $(PROGS); do \
	if [ -x ./$$i ] ; then \
	chown root $$i; \
	$(install) $$i $(instdir); fi; done
	for i in $(SPROGS); do \
	if [ -x ./$$i ] ; then \
	chown root $$i; \
	$(install) $$i $(sbindir); fi; done
	cp *.1 $(mandir)
	cp *.8 $(admmandir)
	if [ -x ./xload ] ; then \
	chown root xload; $(install) xload $(xinstdir); \
	$(install) xproc/XLoad.ad $(xdefinstdir)/XLoad; fi
	if [ -x ./xmem ] ; then \
	chown root xmem; $(install) xmem $(xinstdir); \
	$(install) xproc/XMem.ad $(xdefinstdir)/XMem; fi
	if [ -x ./xidle ] ; then \
	chown root xidle; $(install) xidle $(xinstdir); \
	$(install) xproc/XIdle.ad $(xdefinstdir)/XIdle; fi
	if [ -x ./XConsole ] ; then \
	chown root XConsole; chmod u+s XConsole; \
	$(install) XConsole $(xinstdir); fi

clean:	
	rm -f xproc/Makefile* xproc/*.o
	rm -f xproc/xmem.c xproc/get_mem.c xproc/xidle.c xproc/get_idle.c
	rm -f $(liba)
	rm -f $(PROGS) $(SPROGS) $(XPROGS)
	rm -f signames.h
	rm -f *.o

checkout:
	(for i in `ls RCS/* | sed 's:RCS/\(.*\),v:\1:g'`; do \
	 co $$i; done;)

checkclean:
	(for i in `ls RCS/* | sed 's:RCS/\(.*\),v:\1:g'`; do \
	 rm -f $$i; done;)

realclean: clean checkclean

# Dependencies:
alloc.c: ps.h
fuser.c: signals.h
killall.c: signals.h
ps.c: ps.h
psupdate.c: psdata.h ps.h
signals.c: signals.h
snap.c: psdata.h ps.h
status.c: ps.h
sysinfo.c: sysinfo.h
tload.c: sysinfo.h
top.c: sysinfo.h ps.h whattime.h
uptime.c: whattime.h
whattime.c: whattime.h sysinfo.h