ref: 7c5ca77a6e4d442b4c026e2cd9e483a692f65def dir: /sys/src/boot/mkfile/
ARCH=\ bitsy\ efi\ pc\ zynq\ all:V: for(i in $ARCH)@{ cd $i mk } installall install:V: for(i in $ARCH) @{ cd $i mk install } clean:V: for(i in $ARCH) @{ cd $i mk clean }