Installing Gnome 3 on Ubuntu 10.10 from scratch

Installing Gnome 3 on Ubuntu 10.10 from scratch.
Gnome 3 will be officially released with natty but to those wannna try before here is what you need to do.
1. First register yourself at https://launchpad.net as you will need to add Gnome-3 Testing PPA by ricotz
2. install essentials by using command , this is actually to install GPG on your PC

Code:

sudo aptitude install build-essential linux-headers-$(uname -r) subversion automake checkinstall

sudo apt-get install build-essential linux-headers-$(uname -r) subversion automake checkinstall
3. create Working Directory Structure (Using this directory structure so guide is coherent. You may choose to download your svn sources and libs and place them in a different directory)
code

mkdir -p ~/src
cd ~/src
mkdir -p gnupg
mkdir -p gnupg2

4.Compilation of GnuPG (GnuPG Version 1)
Requirements
1. SVN sources of GnuPG
2. IDEA module (Optional)
3. BZIP2 Developmental library

We will be using the GnuPG svn stable branch

Code:

cd ~/src
svn co svn://cvs.gnupg.org/gnupg/branches/STABLE-BRANCH-1-4 gnupg
cd gnupg

5.  BZIP2 library

Code:

sudo aptitude install libbz2-dev

6.