anchor.diff:        name = "extract-file-mtd";
         buildInputs = [ utillinux mtdutils ];
         buildCommand = ''
  -        ln -s ${linux}/lib /lib
  +        ln -s ${kernel}/lib /lib
           ${kmod}/bin/modprobe mtd
           ${kmod}/bin/modprobe mtdram total_size=131072
           ${kmod}/bin/modprobe mtdchar
  
positive.code:       name = "extract-file";
        buildInputs = [ utillinux ];
        buildCommand = ''
          ln -s ${linux}/lib /lib
          ${kmod}/bin/modprobe loop
          ${kmod}/bin/modprobe ext4
          ${kmod}/bin/modprobe hfs
  
negative.code:     fi
  
      # Set up automatic kernel module loading.
      export MODULE_DIR=${kernel}/lib/modules/
      ${coreutils}/bin/cat <<EOF > /run/modprobe
      #! /bin/sh
      export MODULE_DIR=$MODULE_DIR
  