ref: 2fb68b633845ad67fbf03d6f0cf8faa6d7005a45
dir: /sys/src/cmd/ip/ppp/mkfile/
</$objtype/mkfile
TARG=ppp
OFILES=ppp.$O\
compress.$O\
block.$O\
mppc.$O\
ipaux.$O\
thw.$O\
thwack.$O\
unthwack.$O\
HFILES=ppp.h\
BIN=/$objtype/bin/ip
UPDATE=\
mkfile\
$HFILES\
${OFILES:%.$O=%.c}\
</sys/src/cmd/mkone
safeinstall: $O.out
mv $BIN/$TARG $BIN/o$TARG
cp $O.out $BIN/$TARG
$O.testppp: testppp.$O
$LD -o $O.testppp $prereq