[GHC] #8620: build of head on Mac 10.9 with xcode 5 fails with

[GHC]

#8620: build of head on Mac 10.9 with xcode 5 fails with
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       Reporter:  George          |             Owner:
           Type:  bug             |            Status:  new
       Priority:  normal          |         Milestone:
      Component:  Compiler        |           Version:  7.6.3
       Keywords:                  |  Operating System:  MacOS X
   Architecture:  x86_64 (amd64)  |   Type of failure:  None/Unknown
     Difficulty:  Unknown         |         Test Case:
     Blocked By:                  |          Blocking:
Related Tickets:                  |
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 make -j3
 fails with

 Configuring ghc-bin-7.7.20131217...
 Warning: 'data-dir: ..' is a relative path outside of the source tree.
 This
 will not work when generating a tarball with 'sdist'.
 ghc.mk:100: *** Make has restarted itself 2 times; is there a makefile
 bug? See
 http://ghc.haskell.org/trac/ghc/wiki/Building/Troubleshooting#Makehasrestarteditself3timesisthereamakefilebug
 for details.  Stop.
 make: *** [all] Error 2

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8620>
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