[GHC] #8981: ghc-pkg complains about missing haddock interface files

[GHC]

#8981: ghc-pkg complains about missing haddock interface files
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              Reporter:              |            Owner:
  thoughtpolice                      |           Status:  new
                  Type:  bug         |        Milestone:  7.10.1
              Priority:  normal      |          Version:  7.8.1
             Component:  ghc-pkg     |         Keywords:  ghc-pkg
            Resolution:              |     Architecture:  x86_64 (amd64)
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:  Incorrect   |  Related Tickets:
  result at runtime                  |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by thomie):

 * os:  MacOS X => Unknown/Multiple
 * component:  Compiler => ghc-pkg


Comment:

 I have the same problem on Ubuntu, with Haskell platform 2014.02
 installed.
 {{{
 # First remove .cabal and .ghc, then:
 $ cabal install random
 ...
 $ ghc-pkg check
 Warning: haddock-interfaces: /home/thomas/.cabal/share/doc/x86_64-linux-
 ghc-7.8.3/random-1.1/html/random.haddock doesn't exist or isn't a file
 Warning: haddock-html: /home/thomas/.cabal/share/doc/x86_64-linux-
 ghc-7.8.3/random-1.1/html doesn't exist or isn't a directory
 }}}

 Using `cabal install random --enable-documentation` instead makes the
 warnings go away.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8981#comment:6>
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