Troubling build warning with GHC 7.8.1 on Mavericks

When building with gcc 4.8, I see this non-fatal error in the build log:

"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O    -package-name time-1.4.2 -hide-all-packages -i -ilibraries/time/. -ilibraries/time/dist-install/build -ilibraries/time/dist-install/build/autogen -Ilibraries/time/dist-install/build -Ilibraries/time/dist-install/build/autogen -Ilibraries/time/include   -optP-DLANGUAGE_Rank2Types -optP-DLANGUAGE_DeriveDataTypeable -optP-DLANGUAGE_StandaloneDeriving -optP-include -optPlibraries/time/dist-install/build/autogen/cabal_macros.h -package base-4.7.0.0 -package deepseq-1.3.0.2 -package old-locale-1.0.0.6 -Wall -XHaskell2010 -XCPP -XRank2Types -XDeriveDataTypeable -XStandaloneDeriving -O2  -no-user-package-db -rtsopts      -odir libraries/time/dist-install/build -hidir libraries/time/dist-install/build -stubdir libraries/time/dist-install/build -split-objs -dynamic-too -c libraries/time/./Data/Time/Calendar/Days.hs -o libraries/time/dist-install/build/Data/Time/Calendar/Days.o -dyno libraries/time/dist-install/build/Data/Time/Calendar/Days.dyn_o
/usr/local/src/ghc-7.8.1/libraries/base/dist-install/build/Data/Typeable/Internal.hi
Declaration for mkTyConApp
Unfolding of Data.Typeable.Internal.mkTyConApp:
  Failed to load interface for ‘GHC.Fingerprint’
  There are files missing in the ‘base’ package,
  try running 'ghc-pkg check'.
  Use -v to see a list of the files searched for.
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O    -package-name time-1.4.2 -hide-all-packages -i -ilibraries/time/. -ilibraries/time/dist-install/build -ilibraries/time/dist-install/build/autogen -Ilibraries/time/dist-install/build -Ilibraries/time/dist-install/build/autogen -Ilibraries/time/include   -optP-DLANGUAGE_Rank2Types -optP-DLANGUAGE_DeriveDataTypeable -optP-DLANGUAGE_StandaloneDeriving -optP-include -optPlibraries/time/dist-install/build/autogen/cabal_macros.h -package base-4.7.0.0 -package deepseq-1.3.0.2 -package old-locale-1.0.0.6 -Wall -XHaskell2010 -XCPP -XRank2Types -XDeriveDataTypeable -XStandaloneDeriving -O2  -no-user-package-db -rtsopts      -odir libraries/time/dist-install/build -hidir libraries/time/dist-install/build -stubdir libraries/time/dist-install/build -split-objs -dynamic-too -c libraries/time/./Data/Time/Clock/Scale.hs -o libraries/time/dist-install/build/Data/Time/Clock/Scale.o -dyno libraries/time/dist-install/build/Data/Time/Clock/Scale.dyn_o
/usr/local/src/ghc-7.8.1/libraries/base/dist-install/build/Data/Typeable/Internal.hi
Declaration for mkTyConApp
Unfolding of Data.Typeable.Internal.mkTyConApp:
  Failed to load interface for ‘GHC.Fingerprint’
  There are files missing in the ‘base’ package,
  try running 'ghc-pkg check'.
  Use -v to see a list of the files searched for.
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O    -package-name time-1.4.2 -hide-all-packages -i -ilibraries/time/. -ilibraries/time/dist-install/build -ilibraries/time/dist-install/build/autogen -Ilibraries/time/dist-install/build -Ilibraries/time/dist-install/build/autogen -Ilibraries/time/include   -optP-DLANGUAGE_Rank2Types -optP-DLANGUAGE_DeriveDataTypeable -optP-DLANGUAGE_StandaloneDeriving -optP-include -optPlibraries/time/dist-install/build/autogen/cabal_macros.h -package base-4.7.0.0 -package deepseq-1.3.0.2 -package old-locale-1.0.0.6 -Wall -XHaskell2010 -XCPP -XRank2Types -XDeriveDataTypeable -XStandaloneDeriving -O2  -no-user-package-db -rtsopts      -odir libraries/time/dist-install/build -hidir libraries/time/dist-install/build -stubdir libraries/time/dist-install/build -split-objs -dynamic-too -c libraries/time/./Data/Time/Clock/UTC.hs -o libraries/time/dist-install/build/Data/Time/Clock/UTC.o -dyno libraries/time/dist-install/build/Data/Time/Clock/UTC.dyn_o

I don't know if this is actually a problem or not, but since it doesn't cause make to fail, it possible that it may not have been noticed yet.

Trac metadata

Trac field	Value
Version	7.8.1-rc2
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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