Since the core part of eink-update is quite the same for DR800 and iLiad (with a brief review, I guess so), I think maybe the patched GTK+-2.12.7 for DR800 can be applied to iLiad directly.
The problem for now is:
There are many patch files in directory "patches". How to apply those patch files in some simple steps?
Added:
The source code from iRex is already patched. It's not necessary to patch it again.