Especially mattrib which is used by syslinux.mtools during make image
When absent, this error is observed:
make image
> image: installing extlinux to part1...
> sh: mattrib: command not found
> syslinux.mtools: warning: failed to set system bit on ldlinux.sys
> sh: mattrib: command not found
> syslinux.mtools: warning: failed to set system bit on ldlinux.c32
> image: copying files to part1...