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</$objtype/mkfile
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TARG=`{ls *.[cy] | sed '/\.tab\.c$/d;s/..$//'}
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HFILES=/$objtype/include/u.h /sys/include/libc.h /sys/include/bio.h
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BIN=/$objtype/bin
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PROGS=${TARG:%=$O.%}
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LDFLAGS=
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YFLAGS=-d
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NOTSYS=sml|dup|.+\..+
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BUGGERED=unix
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OUTOFDATE=old
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NOMK=$NOTSYS|$BUGGERED|$OUTOFDATE
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cpuobjtype=`{sed -n 's/^O=//p' /$cputype/mkfile}
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DIRS=`{ls -l | sed '/^d/!d; s/.* //; /^('$NOMK')$/d'}
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APEDIRS=awk bzip2 compress cvs eqn grap gs lp pic postscript spin \
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	tex troff
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none:VQ:
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	echo usage: mk cmds, dirs, all, install, installall, '$O'.cmd, cmd.install, or cmd.installall
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cmds:V:	$PROGS
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ape:V: $APE
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	for(i in $APEDIRS) @{
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		cd $i
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		echo mk $i
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		mk $MKFLAGS all
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	}
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dirs:V:
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	for(i in cc $DIRS) @{
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		cd $i
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		echo mk $i
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		mk $MKFLAGS all
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	}
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all:V:	$PROGS dirs
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^([$OS])\.(.*):R:	\2.\1
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	$stem1^l $LDFLAGS -o $target $stem2.$stem1
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.*\.[$OS]:R:	$HFILES
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(.*)\.([$OS])'$':R:	\1.c
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	$stem2^c $CFLAGS $stem1.c
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&:n:	$O.&
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	mv $O.$stem $stem
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%.tab.h %.tab.c:	%.y
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	$YACC $YFLAGS -s $stem $prereq
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%.install:V: $BIN/%
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$cpuobjtype._cp:	/bin/cp
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	cp $prereq $target
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%.safeinstall:	$O.% $cpuobjtype._cp
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	test -e $BIN/$stem && mv $BIN/$stem $BIN/_$stem
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	$cpuobjtype._cp $O.$stem $BIN/$stem
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%.safeinstallall:
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	for(objtype in $CPUS)
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		mk $stem.safeinstall
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	mk $stem.clean
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$BIN/%:	$O.% $cpuobjtype._cp
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	$cpuobjtype._cp $O.$stem $BIN/$stem
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%.directories:V:
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	for(i in $DIRS) @{
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		cd $i
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		echo mk $i
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		mk $MKFLAGS $stem
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	}
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clean:V:	cleanfiles clean.directories
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nuke:V:		cleanfiles nuke.directories
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directories:V:	install.directories
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cleanfiles:V:
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	rm -f [$OS].out *.[$OS] y.tab.? y.debug y.output [$OS].$TARG [$OS].units.tab $TARG bc.c bc.tab.h units.tab.h units.c [$OS]._cp
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%.clean:V:
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	rm -f [$OS].$stem $stem.[$OS]
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install:V:
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	test -e $cpuobjtype._cp || cp /bin/cp $cpuobjtype._cp
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	mk $MKFLAGS $TARG.install
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	mk $MKFLAGS directories
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installall:V:
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	for(objtype in $CPUS)
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		mk $MKFLAGS install
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%.installall:	%.c
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	test -e $cpuobjtype._cp || cp /bin/cp $cpuobjtype._cp
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	for (objtype in $CPUS) {
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		rfork e
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		mk $stem.install &
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	}
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	wait
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	rm -f $stem.[$OS] y.tab.? $stem.tab.? y.debug y.output [$OS].$stem bc.c bc.tab.h units.c
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%.acid: %.$O $HFILES
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	$CC $CFLAGS -a $stem.c >$target
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(bc|mpc|units).c:R:	\1.tab.c
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	mv $stem1.tab.c $stem1.c
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$BIN/init:	$O.init
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	cp $prereq /$objtype/init
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$O.cj:	cj.$O
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	$LD $LDFLAGS -o $O.cj cj.$O /$objtype/lib/libjpg.a
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%.update:V:
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	update $stem.c /386/bin/$stem
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compilers:V:
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	for(i in ?c)
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		if(! ~ $i cc rc) @{
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			cd $i
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			mk clean
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			objtype=$cputype mk install
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			mk clean
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		}
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	for(i in ?c)
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		if(! ~ $i cc rc) @{
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			cd $i
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			mk clean
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			mk installall
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			mk clean
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		}