#8975: Troubling build warning with GHC 7.8.1 on Mavericks ----------------------------------+------------------------------ Reporter: JohnWiegley | Owner: Type: bug | Status: new Priority: normal | Milestone: 7.8.1 Component: Compiler | Version: 7.8.1-rc2 Keywords: | Operating System: MacOS X Architecture: x86_64 (amd64) | Type of failure: Other Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ----------------------------------+------------------------------ 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. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8975 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler