patch applied (packages/Cabal): Use -Wl, -R, for the gcc rpath flag.

[Simon Marlow]

Tue Oct  6 14:13:26 PDT 2009  Duncan Coutts <duncan at haskell.org>
  * Use -Wl,-R, for the gcc rpath flag.
  Ignore-this: 2323285313bad2ec91e4e27a0ae6177
  Apparently it was only gcc on Solaris that groks -R directly,
  so we have to use -Wl to pass it through to ld. Both GNU and
  Solaris ld grok -R, only GNU ld accepts -rpath.

    M ./Distribution/Simple/PreProcess.hs -2 +2

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20091006211326-adfee-dde8435057eb88ecb7188ea1d01caa2d61301b71.gz