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How to rebuild filesystem within DVSDK?

Hi all,

I'm new to embedded Linux. I will try to make this post as helpful as possible for the future.

I'm working on Leopard board 365, which is not directly supported by TI DVSDK. I found the patches here: http://tw.myblog.yahoo.com/stevegigijoe/article?mid=366 (hope this link do not die). It is for the 368 but it works also for 365 (the Makefile patch won't work but it is straight forward to do it by hand).

Now I would like to customise my system, including drivers and filesystem. "make config_linux" seems to have pretty much everything I need for drivers. It supports TVP514x, which is what I need. (kernel->driver->multimedia-> ... something quite hidden)

I'm much more confused about customising the filesystem though. I would like to add SSH support, avahi and python to the current filesystem (Arago base and DVSDK). How can I add anything to it? Is copying files to the resulting FS the only option? I read from this forum that "rebuilding the FS would be much easier". But how can I rebuild the whole thing? 

TI docs point to doing it manually, which is fair enough for a single file.c but isn't really an option when trying to install python or avahi. I had a go with Narcissus but no luck - it's not booting. Why does TI only gives archive and no indication on how to rebuild Arago FS? Either I missed something or it doesn't make sense to me.  

Any indication on how to achieve that would be appreciated! 

Vince