patch applied (packages/Cabal): Make 'ghc-options: -O0' a warning rather than an error

[Ian Lynagh]

Sun Jan 18 06:19:49 PST 2009  Duncan Coutts <duncan at haskell.org>
  * Make 'ghc-options: -O0' a warning rather than an error

    M ./Distribution/PackageDescription/Check.hs -1 +1

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20090118141949-adfee-1bd1183906fb0ba9af21b5cd9756661f81a805e3.gz