[GHC] #9876: mkdir errors when running `make sdist`

[GHC]

#9876: mkdir errors when running `make sdist`
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              Reporter:  joehillen   |            Owner:  joehillen
                  Type:  bug         |           Status:  patch
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.9
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Easy (less than 1
       Type of failure:              |  hour)
  None/Unknown                       |       Blocked By:
             Test Case:              |  Related Tickets:
              Blocking:              |
Differential Revisions:  Phab:D566   |
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"9fc3aebd0920561d9d3c747e6b78591d332bed08/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="9fc3aebd0920561d9d3c747e6b78591d332bed08"
 always use 'mkdir -p' and fix missing dir (fixes #9876)

 Summary: Signed-off-by: Joe Hillenbrand <joehillen at gmail.com>

 Reviewers: thomie, austin

 Reviewed By: thomie, austin

 Subscribers: carter, thomie

 Differential Revision: https://phabricator.haskell.org/D566

 GHC Trac Issues: #9876
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9876#comment:6>
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