mkmany

这是一个同样来自贝尔实验室的和UNIX有着渊源的操作系统, 其简洁的设计和实现易于我们学习和理解

PROGS=${TARG:%=$O.%}
MANFILES=${TARG:%=%.man}
LDFLAGS=
YFLAGS=-d

none:VQ:
	echo usage: mk all, install, installall, '$O'.cmd, cmd.install, or cmd.installall

all:V:	$PROGS

$O.%:	%.$O $OFILES $LIB
	$LD $LDFLAGS -o $target $prereq

%.$O:	$HFILES		# don't combine with following %.$O rules

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

%.$O:	%.s
	$AS $AFLAGS $stem.s

y.tab.h y.tab.c:	$YFILES
	$YACC $YFLAGS $prereq

%.install:V:	$BIN/%

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

%.installall:V:
	for (objtype in $CPUS)
		mk $stem.install

install:V:
	for (i in $TARG)
		mk $MKFLAGS $i.install

installall:V:
	for(objtype in $CPUS)
		mk $MKFLAGS install

%.safeinstall:V:
	mk $O.$stem
	test -e $BIN/$stem && mv $BIN/$stem $BIN/_$stem
	mk $stem.install

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

safeinstall:V:
	for(i in $TARG)
		mk $MKFLAGS $i.safeinstall

safeinstallall:V:
	for (objtype in $CPUS)
		mk safeinstall

update:V:
	update $UPDATEFLAGS $UPDATE

nuke:V:
	rm -f *.[$OS] y.tab.? y.debug y.output [$OS].* *.acid $TARG

clean:V:
	rm -f *.[$OS] *.a[$OS] y.tab.? y.debug y.output [$OS].* $TARG $CLEANFILES

%.clean:V:
	rm -f $stem.[$OS] [$OS].$stem $stem.acid $stem

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

%.man:	$MAN/$stem
	cp $stem.man $MAN/$stem

man:V:	$MANFILES