patch applied (ghc-6.12/ghc): MERGED: Tweak to the directory-building rule

[Ian Lynagh]

Wed Nov 18 10:21:45 PST 2009  Ian Lynagh <igloo at earth.li>
  * MERGED: Tweak to the directory-building rule
  Fri Nov 13 12:57:19 GMT 2009  Simon Marlow <marlowsd at gmail.com>
    So we don't try to recreate directories just because they are older
    than mkdirhier, since mkdirhier won't touch them.

    M ./ghc.mk -1 +5

View patch online:
http://darcs.haskell.org/ghc-6.12/ghc/_darcs/patches/20091118182145-3fd76-44cee43982107e1c5b91c6ba7251aec6d7cb3cb2.gz