[GHC] #13138: Clean up ghc-pkg validation warnings in build log

[GHC]

#13138: Clean up ghc-pkg validation warnings in build log
-------------------------------------+-------------------------------------
           Reporter:  mpickering     |             Owner:
               Type:  task           |            Status:  new
           Priority:  low            |         Milestone:
          Component:  Compiler       |           Version:  8.0.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 The build log has hundreds of lines of `ghc-pkg` warnings which I imagine
 are due to how GHC's build system is different to normal. We should either
 work out why there are so many errors and fix them or if they are harmless
 suppress them to remove the noise from the log.

 {{{
 binary-0.8.3.0: Warning: Unrecognized field abi-depends on line 40
 27      binary-0.8.3.0: Warning: Unrecognized field abi on line 28
 28      binary-0.8.3.0: Warning: Unrecognized field indefinite on line 22
 29      binary-0.8.3.0: Warning: haddock-interfaces:
 /var/drydock/workingcopy-21831/repo/glasgow-haskell-
 compiler/libraries/binary/dist-boot/doc/html/binary/binary.haddock doesn't
 exist or isn't a file
 30      binary-0.8.3.0: cannot find any of
 ["Data/Binary.hi","Data/Binary.p_hi","Data/Binary.dyn_hi"] (ignoring)
 31      binary-0.8.3.0: cannot find any of
 ["Data/Binary/Builder.hi","Data/Binary/Builder.p_hi","Data/Binary/Builder.dyn_hi"]
 (ignoring)
 32      binary-0.8.3.0: cannot find any of
 ["Data/Binary/Get.hi","Data/Binary/Get.p_hi","Data/Binary/Get.dyn_hi"]
 (ignoring)
 33      binary-0.8.3.0: cannot find any of
 ["Data/Binary/Get/Internal.hi","Data/Binary/Get/Internal.p_hi","Data/Binary/Get/Internal.dyn_hi"]
 (ignoring)
 34      binary-0.8.3.0: cannot find any of
 ["Data/Binary/Put.hi","Data/Binary/Put.p_hi","Data/Binary/Put.dyn_hi"]
 (ignoring)
 35      binary-0.8.3.0: cannot find any of
 ["Data/Binary/Class.hi","Data/Binary/Class.p_hi","Data/Binary/Class.dyn_hi"]
 (ignoring)
 36      binary-0.8.3.0: cannot find any of
 ["Data/Binary/Internal.hi","Data/Binary/Internal.p_hi","Data/Binary/Internal.dyn_hi"]
 (ignoring)
 37      binary-0.8.3.0: cannot find any of
 ["Data/Binary/Generic.hi","Data/Binary/Generic.p_hi","Data/Binary/Generic.dyn_hi"]
 (ignoring)
 38      binary-0.8.3.0: cannot find any of
 ["libHSbinary-0.8.3.0.a","libHSbinary-0.8.3.0.p_a","libHSbinary-0.8.3.0-ghc7.10.3.so","libHSbinary-0.8.3.0-ghc7.10.3.dylib","HSbinary-0.8.3.0-ghc7.10.3.dll"]
 on library path (ignoring)
 39      Cabal-1.25.0.0: Warning: Unrecognized field abi-depends on line
 125
 40      Cabal-1.25.0.0: Warning: Unrecognized field abi on line 106
 41      Cabal-1.25.0.0: Warning: Unrecognized field indefinite on line 20
 42      Cabal-1.25.0.0: Warning: haddock-interfaces:
 /var/drydock/workingcopy-21831/repo/glasgow-haskell-
 compiler/libraries/Cabal/Cabal/dist-boot/doc/html/Cabal/Cabal.haddock
 doesn't exist or isn't a file
 43      Cabal-1.25.0.0: cannot find any of
 ["Distribution/Backpack.hi","Distribution/Backpack.p_hi","Distribution/Backpack.dyn_hi"]
 (ignoring)
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13138>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler