ref: 052abe1cc8dd6403f4983b1b587f14d3eed1fe8c 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 }