</$objtype/mkfile

YTARG=`{ls | sed -n '/\.y$/s/\.y$//p'}
TARG=$YTARG `{ls | sed -n '/^cp\.c$/d; /^yacc\.c$/d; /\.c$/s/\.c$//p'}
HFILES=/$objtype/include/u.h /sys/include/libc.h /sys/include/bio.h

BIN=/$objtype/bin
LDFLAGS=
YFLAGS=-d

PCONLY=vmx
POWERLESS=dtracy  # until someone fixes the build for power
NOMK=`{~ $objtype (386 amd64) || echo $PCONLY} `{~ $objtype power && echo $POWERLESS}
DIRS=`{echo */mkfile | sed 's,/mkfile *,\n,g' | grep -v '-e^'^('' $NOMK)^'$'}

usage:VQ:
	echo 'usage: mk all, all.cpus, cmds, $O.$cmd'
	echo '	install, install.cpus, $cmd.install, $cmd.install.cpus'
	echo '	clean, nuke'

%.c %.tab.h:D: %.y
	yacc $YFLAGS -o $stem.c -s $stem $stem.y

%.$O: $HFILES

%.$O: %.c
	$CC $CFLAGS $stem.c

$O.%: %.$O
	$LD $LDFLAGS -o $target $stem.$O

$BIN/%: $O.%
	cp $O.$stem $target

$BIN/cp: $O.cp
	`{if(~ $objtype $cputype) echo ./$O.cp; if not echo cp} $prereq $target

$BIN/init: $O.init  # hack, install location is not target
	cp $O.init /$objtype/init

%.acid: %.c $HFILES
	$CC $CFLAGS -a $stem.c >$target

%.cpus:V:
	for(objtype in $CPUS) mk $MKFLAGS $stem

%.dirs:V:
	for(i in $DIRS) @{
		cd $i
		echo mk $i
		mk $MKFLAGS $stem
	}

cmds:V: $O.cp $O.yacc ${TARG:%=$O.%}

all:V: cmds
	mk $MKFLAGS all.dirs

%.install:V: $BIN/%

install:V: cp.install
	mk $MKFLAGS yacc.install
	mk $MKFLAGS $TARG.install
	mk $MKFLAGS install.dirs

installall:V: install.cpus

cleancmds:V:
	rm -f *.[$OS] [$OS].* y.tab.? y.debug y.output $YTARG.c *.tab.h

clean:V: cleancmds clean.dirs

nuke:V: cleancmds nuke.dirs
	rm -f *.acid