patch applied (ghc): Create our own directory in the temporary directory to avoid various races

[Simon Marlow]

Mon Jul 10 13:44:24 PDT 2006  Ian Lynagh <igloo at earth.li>
  * Create our own directory in the temporary directory to avoid various races

    M ./compiler/main/GHC.hs -8 +11
    M ./compiler/main/SysTools.lhs -6 +51