[GHC] #11956: on osx 10.11 haddock --hyperlinked-source on ghc source fails with file resource exhausted

[GHC]

#11956: on osx 10.11 haddock --hyperlinked-source on ghc source fails with file
resource exhausted
--------------------------------------+---------------------------------
           Reporter:  carter          |             Owner:
               Type:  bug             |            Status:  new
           Priority:  normal          |         Milestone:
          Component:  Compiler        |           Version:  8.0.1-rc3
           Keywords:                  |  Operating System:  MacOS X
       Architecture:  x86_64 (amd64)  |   Type of failure:  None/Unknown
          Test Case:                  |        Blocked By:
           Blocking:                  |   Related Tickets:
Differential Rev(s):                  |         Wiki Page:
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 {{{
 Warning: Module: moduleUnitId is exported separately but will be
 documented under Module. Consider exporting it together with its parent(s)
 for code clarity.
 Warning: Module: moduleName is exported separately but will be documented
 under Module. Consider exporting it together with its parent(s) for code
 clarity.
 Warning: Couldn't find .haddock for export typeKind
 Warning: Couldn't find .haddock for export liftedTypeKind
 haddock: internal error: compiler/HsVersions.h: openBinaryFile: resource
 exhausted (Too many open files)
 }}}

 theres also quite a few "cannot find link destination" style errors, see
 the attached file for that


 NB: the key bit for fixing this, at least in my local environment, is to
 do `ulimit -n 10000` before invoking make.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11956>
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