#!/bin/sh
# this script demonstrates how to build a user-mode-linux (UML) root_fs
# with busybox e.g. as an environment for testing lkms

space=/tmp/space
mkdir -p $space ; cd $space

# 30MB of zeros is OK for our root_fs
dd if=/dev/zero of=root_fs bs=1024k count=30
mke2fs -F root_fs
mount -o loop root_fs /mnt
# get some useful files&dirs for it
wget http://translucency.sourceforge.net/dl/root_stub.tar.gz
tar xzf root_stub.tar.gz -C /mnt

# get busybox (press Enter at password prompt)
cvs -d:pserver:anonymous@busybox.net:/var/cvs login
cvs -z3 -d:pserver:anonymous@busybox.net:/var/cvs co busybox
cd busybox
# later just "cvs update" here

# either set DOSTATIC:=true in Rules.mak 
# or "cp /lib/ld-linux.so.2 /lib/libc.so.6 /mnt/lib/"
# I used the former method (Version as of May 20 2002)
# and the config at http://translucency.sourceforge.net/dl/busybox-config
make menuconfig dep all install PREFIX=/mnt
cd ..

umount /mnt