export http_proxy=http://localhost:3128 cdebootstrap -f build sid grub2 http://ftp.uk.debian.org/debian/ mount -o bind /proc grub2/proc mount -o bind /sys grub2/sys mount -o bind /run grub2/run mount -o bind /dev grub2/dev mount -o bind /dev/pts grub2/dev/pts chroot grub2 cd echo 'deb-src http://ftp.uk.debian.org/debian/ sid main' >> /etc/apt/sources.list apt-get update apt-get build-dep grub2 apt-get install bzr bzr branch http://bzr.savannah.gnu.org/r/grub/trunk/grub cd grub bzr export ../build cd ../build ./autogen.sh ./configure make make check