ref: ef2ed94c7da70b0abe50688ea0fb23dd2d680496
dir: /sys/src/boot/mkfile/
ARCH=\ bcm\ bitsy\ efi\ pc\ reform\ 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 }