[GHC] #9926: Restore INSTALL file in src dist

[GHC]

#9926: Restore INSTALL file in src dist
-------------------------------------+-------------------------------------
       Reporter:  goldfire           |                   Owner:
           Type:  bug                |                  Status:  new
       Priority:  normal             |               Milestone:  7.10.1
      Component:  Documentation      |                 Version:  7.10.1-rc1
       Keywords:                     |        Operating System:
   Architecture:  Unknown/Multiple   |  Unknown/Multiple
     Difficulty:  Unknown            |         Type of failure:
     Blocked By:                     |  None/Unknown
Related Tickets:                     |               Test Case:
                                     |                Blocking:
                                     |  Differential Revisions:
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 I seem to recall previous source distributions having an `INSTALL` file
 with instructions. (The particular detail I was looking for was whether or
 not I need to `perl boot` the 7.10-rc1 source distro.) There don't seem to
 be any installation instructions anymore. Could this be restored for
 future source distros?

 Thanks!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9926>
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