Checking dependencies with Distribution

[Dominic Steinitz]

> Can you help me understand how to check C library dependencies
> using Distribution.*?
> 
> So far, reading Setup.hs from HDBC-mysql gave me a quick start. I
> believe what I need to do is to write a 'preConf' user hook.
> 
This may be of some use http://code.haskell.org/asn1/Setup.hs. I'm not sure if 
it's the best way of doing things (it almost certainly isn't) but there isn't a 
lot of documentation on this sort of thing.

Regards, Dominic.