$ git clone git://git.gnome.org/atk
$ git clone git://git.gnome.org/gtk+
+Note: if you plan to push changes to back to the master repository and
+have a gnome account, you want to use the following instead:
+
+ $ git clone ssh://<username>@git.gnome.org/git/gtk+
+
To compile the GIT version of gtk+ on your system, you will need to take
several steps to setup the tree for compilation. You can do all these
steps at once by running: