patch applied (packages/Cabal): Add configure --package-db= flag to use specific package db

[Ian Lynagh]

Sun Jan 13 15:25:36 PST 2008  Duncan Coutts <duncan at haskell.org>
  * Add configure --package-db= flag to use specific package db
  Should allow satisfying deps from the given package db and should register
  into that db. It is not thoroughly tested however.

    M ./Distribution/Simple/Setup.hs +8

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080113232536-adfee-0753878c933160e339c026cffd4b5fa396c46058.gz