[GHC] #14459: `make sdist-ghc` broken

[GHC]

#14459: `make sdist-ghc` broken
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        Reporter:  hvr               |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.4.1
       Component:  Build System      |              Version:  8.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"eb86e867694bceedfb47a527d71429197ffe6dda/ghc"
 eb86e867/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="eb86e867694bceedfb47a527d71429197ffe6dda"
 Don't call alex for Cabal lib during GHC build

 The Cabal library now commits `Lexer.hs` directly to the source tree,
 so the build step where we'd call alex ourselves to generate that file
 is no longer necessary, nor will it work.

 See also: https://ghc.haskell.org/trac/ghc/ticket/14459

 Reviewers: bgamari, hvr

 Reviewed By: bgamari

 Subscribers: rwbarton, thomie, carter

 GHC Trac Issues: #14459

 Differential Revision: https://phabricator.haskell.org/D4240
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14459#comment:5>
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