Build Chromium OS

Chrome Book快出货了，自从Chromium OS中加入了VPN，有了进一步的实用价值。Mark一下编译Chrome OS的过程，错误处理和一些使用方法.

1. Install depot_tool( To be continue..)
2. Get code by git
cd ${HOME}/chromiumos
repo init -u http://git.chromium.org/chromiumos/manifest.git
repo sync
3. It's not strictly nessary, build I suggest you do it with --replace.
cd src/scripts
./make_chroot
4. ./enter_chroot.sh
(cros-chroot) johnnyrotten@flyingkite ~/trunk/src/scripts $ 
Then select a board, suggest add --force.
BOARD=x86-generic
./setup_board --board=${BOARD} --force
Error:There maybe have these error like this."Error: The above package list contains packages which cannot be* installed at the same time on the same system."
We can remove them by the follow command:
emerge -C [packagename]
5. Build backage.
./build_packages --board=${BOARD} --oldchromebinary
6. Build image
./build_image --board=${BOARD} --withdev --noenable_rootfs_verification
7. Make a chrome to udisk
./image_to_usb.sh --board=${BOARD} --to=${MY_USB_KEY_LOCATION}
8. Make a VMWare image
./image_to_vm.sh --board=${BOARD} --format=vmware
Error: no space
 When we build the image, if we stop it, it will leave huge temp file in /chroot/tmp. So if we get failed with no space, we can clean the temp file in /chroot/tmp

http://dawnwindsblog.blogspot.com/2011/06/build-chromium-os.html