lzop

/bin/sh: 1: lzop: not found
make[2]: *** [arch/arm/boot/compressed/piggy.lzo] Error 1
make[1]: *** [arch/arm/boot/compressed/vmlinux] Error 2
make: *** [zImage] Error 2

lzopなんてコマンドがあるんだ。 へー